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1
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ุงู„ุณู„ุงู… ุนู„ูŠูƒู… ูˆุฑุญู…ุฉ ุงู„ู„ู‡ ูˆุจุฑูƒุงุชู‡ ุงู„ูŠูˆู… ุฅู† ุดุงุก ุงู„ู„ู‡
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ู‡ู†ูƒู…ู„ ู…ูˆุถูˆุน ุงู„ู€ LR ูˆ ุงู„ู€ CR circuits ุงู†ุชู… ุฃุฎุฐุชู… ู…ุน
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ุงู„ุฏูƒุชูˆุฑ ู…ุญู…ุฏ ุงู„ู„ูŠ ู‡ูˆ ุชูุงุตูŠู„ ุนู† ุงู„ู€ behavior ุจุชุงุนุฉ
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ุงู„ู€ L ูˆ ุงู„ู€ behavior ุจุชุงุนุฉ ุงู„ู€ C ูˆู‚ู ุนู†ุฏ ุฅู†ูƒู…
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ุจุชุฃุฎุฐูˆุง ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ RL ูˆ ุงู„ู€ LR ูˆ ุงู„ู€ RC circuits
6
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ูุงุญู†ุง ุงู„ูŠูˆู… ู‡ู†ุจุฏุฃ ุงุชุญุงุฏ ุงู„ุฏูˆุงุฆุฑ ุทุจุนุง
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ุงู„ุฃู†ูˆุงุน ุงู„ุฏูˆุงุฆุฑ ุงู„ู„ูŠ ู‡ุชู…ุฑ ุนู„ูŠู†ุง ุณูˆุงุก ุงู„ู€ RL ูˆู„ุง
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ุงู„ู€ RC ูŠุนู†ูŠ ู‡ุชู„ุงู‚ูˆุง ุงู†ุชู… ุงู„ู„ูŠ ุฃุฎุฐุชู…ูˆู‡ ู…ุน ุงู„ู…ู‡ู†ุฏุณ
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00:01:09,040 --> 00:01:12,980
ุงู„ุฏูƒุชูˆุฑ ู…ุญู…ุฏ ุงู„ู€ behavior ุจุชุงุนุฉ ุงู„ู€ L ู„ุญุงู„ู‡ุง ูˆุงู„ู€
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behavior ุจุชุงุนุฉ ุงู„ู€ C ู„ุญุงู„ู‡ุง ุตุญูŠุญุŸ ุงู„ูŠูˆู… ุงุญู†ุง ู‡ู†ุดูˆู
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ุฏูˆุงุฆุฑ ููŠู‡ุง ู…ุด ุงู„ู€ L ู„ุญุงู„ู‡ุง ุงู„ู€ L ู…ุน R ูˆู…ุด C ู„ุญุงู„ู‡ุง R ู…ุน C
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00:01:22,840 --> 00:01:28,200
ุนู†ุฏู†ุง ู†ูˆุนูŠู† ู…ู† ุงู„ุฏูˆุงุฆุฑ ุฏุงุฆุฑุฉ ุจู†ุณู…ูŠู‡ุง ุงู„ู€ natural
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response
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ุฏุงุฆุฑุฉ ุซุงู†ูŠุฉ ุจู†ุณู…ูŠู‡ุง ุงู„ู€ step response
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00:01:40,520 --> 00:01:44,080
ู…ุงุดูŠ ุงู„ูุฑู‚ ุจูŠู†ู‡ู… ุงู„ู€ natural response ู‡ูŠ ุงู„ุฏุงุฆุฑุฉ
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ุงู„ู„ูŠ ููŠู‡ุง ู…ู‚ุงูˆู…ุงุช ุฃูˆ inductor ุฃูˆ ู…ู‚ุงูˆู…ุงุช ุฃูˆ capacitor
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00:01:48,940 --> 00:01:53,980
ุงู†ูุตู„ ุนู†ู‡ู… ุงู„ู€ source ูุฌุฃุฉ ูŠุนู†ูŠ ู‡ู†ุง ุฃู†ุง ูุตู„ุช ุงู„ู€
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00:01:53,980 --> 00:02:02,960
source ูุฌุฃุฉ ุชู… ูุตู„ ุงู„ู…ุตุฏุฑ ุงู„ู€ step response ู‡ูŠ
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00:02:02,960 --> 00:02:10,400
ุฏุงุฆุฑุฉ RL ุฃูˆ RC circuit ุงู„ู„ูŠ ุงุญุชูˆุช ุฅุถุงูุฉ ู…ุตุฏุฑ ุงู„ู…ุตุฏุฑ
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00:02:10,400 --> 00:02:14,820
ูˆุจุฑุถู‡ ูุฌุฃุฉ ู†ูˆุน ุงู„ู…ุตุงุฏุฑ ุงู„ู„ูŠ ู…ุชุนุงู…ู„ ู…ุนุงู‡ ููŠ ู‡ุฐู‡
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00:02:14,820 --> 00:02:21,620
ุงู„ุฏูˆุงุฆุฑ DC sources ู†ูˆุน
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00:02:21,620 --> 00:02:27,240
ุงู„ู…ุตุงุฏุฑ DC sources ุฅุฐุง ุนู†ุฏู†ุง two type of circuits
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00:02:27,240 --> 00:02:32,460
ุนู†ุฏูŠ RL ู…ุฑุฉ ู‡ู†ุดูˆูู‡ุง natural ูˆ ู…ุฑุฉ ู‡ู†ุดูˆูู‡ุง step RC
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ู…ุฑุฉ ู‡ู†ุดูˆูู‡ุง natural ูˆ ู…ุฑุฉ ู‡ู†ุดูˆูู‡ุง step
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00:02:38,350 --> 00:02:40,430
ุฃู†ุง ุงุชูู‚ู†ุง ููŠ ุงู„ู€ Thevenin ุงู„ู„ูŠ ุฃุฎุฐุชู…ูˆู‡ ุงู†ุชู… ุงู„ู€
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00:02:40,430 --> 00:02:44,790
Thevenin ุฅู† ุฃูŠ ุฏุงุฆุฑุฉ ููŠ ุงู„ุฏู†ูŠุง ุจู†ู‚ุฏุฑ ู†ุจุณุทู‡ุง ู„ููˆู‚
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00:02:44,790 --> 00:02:50,530
ุงู„ู€ source ูˆ ู…ู‚ุงูˆู…ุฉ ูŠุนู†ูŠ ู‡ุฐู‡ ุงู„ุฏุงุฆุฑุฉ ุจุชู…ุซู„ ุฏูˆุงุฆุฑ
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00:02:50,530 --> 00:02:55,350
ุงู„ุฏู†ูŠุง ูƒู„ู‡ู… ู„ูˆ ูˆุตู„ุชู‡ุง ู…ุน ูƒุจุณุชูˆุฑ ู‡ุฐู‡ ู‡ุชูƒูˆู† step
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00:02:55,350 --> 00:03:00,710
response ู„ุฃู† ููŠ ุนู†ุฏู‡ุง ุงู„ู€ source ุตุญุŸ ุจูƒุงูุฆู‡ุง ุจุงู„ุชู…ุงู…
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00:03:00,710 --> 00:03:06,380
ุงู„ู€ Norton ุงู„ู„ูŠ ู‡ูˆ current source ูˆ ู…ู‚ุงูˆู…ุฉ ูˆุนู†ุฏูŠ ู…ูŠู†ุŸ
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00:03:06,380 --> 00:03:11,800
ุงู„ู…ูƒุซู ู‡ุฏูˆู„ ู…ุณุฆูˆู„ูŠู† step response ุฃูˆ ููŠ ุญุงู„ุฉ ุงู„ู€
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00:03:11,800 --> 00:03:20,300
inductor ู„ูˆ ุนู†ุฏูŠ Thevenin ูˆ R Thevenin ู‡ู†ุง
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00:03:20,300 --> 00:03:24,040
ุนู†ุฏูŠ inductor ุจุฑุถู‡ ุจู‚ุฏุฑ ุฃุญุตู„ ุนู„ูŠู‡ุง ุจู‡ุฐุง ุงู„ุดูƒู„
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00:03:24,040 --> 00:03:30,260
current source ุฃูˆ ู…ู‚ุงูˆู…ุฉ ูˆ inductor ู‡ุฏูˆู„ ูƒู„ู‡ู… step
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00:03:30,260 --> 00:03:32,660
response ู„ูŠุดุŸ ู„ุฃู† ุนู†ุฏูŠ ุงู„ู€ source ู…ูˆุฌูˆุฏ ููŠ ุงู„ุฏุงุฆุฑุฉ
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00:03:33,670 --> 00:03:36,990
ู…ุฏุงู… ุงู„ู€ source ู…ูˆุฌูˆุฏ ููŠ ุงู„ุฏุงุฆุฑุฉุŒ ุฅุฐุง ุนู†ุฏูŠ ุฃู†ุง step
37
00:03:36,990 --> 00:03:40,950
responseุŒ ุชู…ุงู…ุŸ ู„ูˆ ุฃู†ุง ูุตู„ุช ุงู„ู€ source ุนู†ุฏูŠ ู…ู†
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00:03:40,950 --> 00:03:47,350
ุงู„ุฏุงุฆุฑุฉุŒ ุงู„ุดูƒู„ ู‡ุฐุง ู‡ูŠุนุทูŠู†ูŠ ุจุณ ู…ู‚ุงูˆู…ุฉ ูˆ ู…ูƒุซู ูˆ ู‡ุฏูˆู„
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00:03:47,350 --> 00:03:55,790
ู‡ูŠูƒูˆู†ูˆุง ู…ู‚ุงูˆู…ุฉ ูˆ inductive ู‡ุฐุง ู‡ูˆ ุงู„ู€ natural ู‡ุฐุง
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00:03:55,790 --> 00:04:03,630
ุงู„ู„ูŠ ู‡ูˆ ูุตู„ ุงู„ู€ sourceุŒ ุงู„ู…ุตุฏุฑ ุนู†ุฏ ูุตู„ ุงู„ู…ุตุฏุฑ ู‡ูŠูƒูˆู†
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00:04:03,630 --> 00:04:06,990
ุนู†ุฏ ุงู„ู€ natural response ูˆ ู‡ุฏูˆู„ ู…ุณุฆูˆู„ูŠู† step
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00:04:06,990 --> 00:04:11,090
response ุทุจุนุง
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00:04:11,090 --> 00:04:15,310
ู‡ุฏุฃุช ุฌู…ู„ุฉ ูŠุนู†ูŠุŒ ุขุณู ุนู„ู‰ ูƒู„ ู‡ุฏู‰ุŒ ุฅุฐุง ุฃูŠ ุฏุงุฆุฑุฉ ููŠ
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00:04:15,310 --> 00:04:20,050
ุงู„ุฏู†ูŠุง ุฃู†ุง ู…ู…ูƒู† ุฃุจุณุทู‡ุง ู„ู€ source ู…ู‚ุงูˆู…ุฉ ูˆ ู‡ุฏูˆู„ ู‡ูŠูƒูˆู†
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00:04:20,050 --> 00:04:24,210
ู…ูˆุตูˆู„ูŠู† ูŠุง ู…ุน inductor ูŠุง ู…ุน ู…ูƒุซูุŒ ู‡ุฐู‡ ุจุชูƒูˆู† ุฅุฐุง
46
00:04:24,210 --> 00:04:28,450
ููŠู‡ุง source step response ุฅุฐุง ูุตู„ุช ุงู„ู€ source ู‡ุชุตูŠุฑ
47
00:04:28,450 --> 00:04:31,950
ุงู„ุฏุงุฆุฑุฉ ู…ุฌุฑุฏ ู…ู‚ุงูˆู…ุฉ ุฃูˆ ู…ูƒุซู ุฃูˆ ู…ู‚ุงูˆู…ุฉ ูˆ Inductor
48
00:04:31,950 --> 00:04:35,850
ููŠ ุงู„ุญุงู„ุฉ ุฏูŠ ุจุณู…ูŠู‡ุง natural response ุฅุฐุง ุงู„ู€ natural
49
00:04:35,850 --> 00:04:41,250
response ู‡ูˆ ุงุณุชุฌุงุจุฉ ุงู„ุฏุงุฆุฑุฉ ููŠ ุญุงู„ุฉ ูุตู„ ุงู„ู€ source
50
00:04:41,250 --> 00:04:44,010
ุนู† ุงู„ุฏุงุฆุฑุฉ ุจุชุทู„ุน ุฅุฐุง ููŠุด ูˆู„ุง source ููŠ ุงู„ุฏุงุฆุฑุฉ
51
00:04:44,010 --> 00:04:48,030
ู‡ูŠูƒูˆู† natural ุจุณ ู…ู‚ุงูˆู…ุฉ ูˆ Inductor ุฃูˆ ู…ู‚ุงูˆู…ุฉ ูˆ
52
00:04:48,030 --> 00:04:52,910
ู…ูƒุซูุฉ ู„ูˆ ุฃุถูุช ุฃู†ุง source ุนู„ู‰ ุงู„ุฏุงุฆุฑุฉ ุจูŠุตูŠุฑ step
53
00:04:52,910 --> 00:04:59,400
response ู„ุฃู†ู‡ ุฃุถุงู ุนู„ู‰ ุงู„ุฏุงุฆุฑุฉ ู…ุตุฏุฑ ุฌู‡ูˆุฏ ู„ูˆ ุฃู†ุง ูƒุงู†ุช
54
00:04:59,400 --> 00:05:02,540
ุนู†ุฏูŠ ุฏุงุฆุฑุฉ ูˆูุตู„ุช source ุจุชุทู„ุน ุจุงู‚ูŠ ุงู„ุฏุงุฆุฑุฉ ุงู„ู„ูŠ
55
00:05:02,540 --> 00:05:06,720
ููŠู‡ุง ุงู„ู€ element ุชุจุนูŠ ุจุชุทู„ุน ุฃู†ุง ูุตู„ุช source ุจุชุทู„ุน
56
00:05:06,720 --> 00:05:10,180
ุจุงู‚ูŠ ุงู„ุฏุงุฆุฑุฉ ุฅุฐุง ููŠ ุนู†ุฏูŠ ู…ูƒุซู ูˆู…ู‚ุงูˆู…ุฉ ุจู‚ูˆู„ ู‡ุฐุง
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00:05:10,180 --> 00:05:13,860
natural ู„ุฃู† ุจุณ ุถุงู„ ุนู†ุฏูŠ ู…ูƒุซู ูˆู…ู‚ุงูˆู…ุฉ ุฃูˆ inductor
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00:05:13,860 --> 00:05:17,620
ู…ู‚ุงูˆู…ุฉ ุจุฏูˆู† ูˆุฌูˆุฏ ุฃูŠ sources ู„ูƒู† ู„ูˆ ุถุงู„ ุนู†ุฏูŠ source
59
00:05:17,620 --> 00:05:20,360
ููŠ ุงู„ุฏุงุฆุฑุฉ ุจุนุฏ ู…ุง ูุตู„ุช source ุฃูˆ ุงุชู†ูŠู† ุฃูˆ ุชู„ุงุชุฉ
60
00:05:20,360 --> 00:05:24,830
ุถุงู„ ุนู†ุฏูŠ source ุจุชุถู„ู‘ู‡ุง step response ูˆุงุถุญุŸ ุงุญู†ุง
61
00:05:24,830 --> 00:05:28,430
ู‡ู†ุฏุฑุณ ููŠ ุงู„ู€ natural response ุทุจุนุง ู‡ุงุฏูŠ ุฅู„ู‡ุง ุญุงู„ุชูŠู†
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00:05:28,430 --> 00:05:34,230
natural ูˆ step ูˆ ู‡ุงุฏูŠ ุฅู„ู‡ุง ุญุงู„ุชูŠู† natural ูˆ step
63
00:05:34,230 --> 00:05:37,950
ุงุญู†ุง ู‡ู†ุฏุฑุณ ูƒู„ ุญุงู„ุฉ ู…ู† ู‡ุฐู‡ ุงู„ุญุงู„ุงุช ู‡ู†ุฏุฑุณ ุงู„ู€ RL ุงู„ู€
64
00:05:37,950 --> 00:05:41,730
natural ูˆ ุงู„ู€ step ูˆ ุงู„ู€ RC ุงู„ู€ natural ูˆ ุงู„ู€ step
65
00:05:41,730 --> 00:05:51,160
ู‡ุจุฏุฃ ุจุงู„ู€ RL ุงู„ู€ natural response ู‡ุจุฏุฃ ููŠู‡ุง natural
66
00:05:51,160 --> 00:05:56,160
response ูŠุนู†ูŠ ู…ุนู†ุงู‡ ุจุณ ุนู†ุฏูŠ ู…ู‚ุงูˆู…ุฉ ูˆ inductor ุงู„ู€
67
00:05:56,160 --> 00:05:58,620
natural ู…ุนู†ุงู‡ ุฅู† ุฃู†ุง ุนู†ุฏูŠ ู…ู‚ุงูˆู…ุฉ ูˆ inductor ุฃูƒุซุฑ ุญุฏ ุฏู‡ ุฃู†ุง
68
00:05:58,620 --> 00:06:03,320
ุจู…ุซุงู„ ูˆู‡ุฐุง ุงู„ู…ุซุงู„ ู‡ุดุฑุญ ููŠู‡ ูˆ ู†ุชุนู„ู… ูƒูŠู ู†ุฌูŠุจ ุงู„ู€
69
00:06:03,320 --> 00:06:05,680
responses ุงุญู†ุง ู‚ู„ู†ุง ุฅูŠุด ู…ุนู†ุงู‡ ุงู„ู€ responses ุฅู† ู„ูˆ
70
00:06:05,680 --> 00:06:08,060
ูƒุงู† ุฃู†ุง ุนู†ุฏูŠ voltage source ุฅูŠุด ุงู„ุชูŠุงุฑุงุช ุงู„ู„ูŠ
71
00:06:08,060 --> 00:06:11,040
ุจูŠุตูŠุฑ ููŠ ุงู„ุฏุงุฆุฑุฉ ุฅูŠุด ูˆุถุน ุงู„ุฏุงุฆุฑุฉ ุฅูŠุด ุจูŠุตูŠุฑ ู„ู‡ู… ุฃูˆ
72
00:06:11,040 --> 00:06:14,300
ุฌู‡ูˆุฏ ุญูˆุงู„ูŠ ุงู„ู€ elements ุฅูŠุด ุจูŠุตูŠุฑ ู„ู‡ู… ุงูุตู„ ุงู„ู€
73
00:06:14,300 --> 00:06:16,340
source ุจุฑุถู‡ ู†ูุณ ุงู„ุดูŠุก ุฅูŠุด ุจูŠุตูŠุฑ ู„ู„ุชูŠุงุฑุงุช ูˆุงู„ู€
74
00:06:16,340 --> 00:06:20,200
voltages ุงู„ู„ูŠ ููŠ ู‚ู„ุจ ุงู„ุฏุงุฆุฑุฉ ู‡ุฐุง ู„ุณู‡ ุดุฑูŠุญุฉ I ุนู†ุฏูŠ
75
00:06:20,200 --> 00:06:26,050
source ู‡ุณู…ูŠู‡ IS ููŠ ุนู†ุฏูŠ ู…ู‚ุงูˆู…ุฉ R0 ูˆ ุงุญู†ุง ู‚ู„ู†ุง ู‡ู†ูŠุฌูŠ
76
00:06:26,050 --> 00:06:35,190
ุฏู‡ ุจู…ูŠู†ุŸ ุจู€ R ุงู„ู€ natural response ุชู…ุงู…ุŸ
77
00:06:35,190 --> 00:06:39,850
ู‡ุงูŠ ุงู„ุฏุงุฆุฑุฉ ุงู„ู„ูŠ ุฃู…ุงู…ูŠ ููŠ ุนู†ุฏูŠ ู…ูุชุงุญ ูˆููŠ ุนู†ุฏูŠ
78
00:06:39,850 --> 00:06:47,390
inductor ูˆููŠ ุนู†ุฏูŠ ู…ู‚ุงูˆู…ุฉ ู‡ุงูŠ R ูˆ ู‡ุงูŠ L ูˆุนู†ุฏูŠ ุณู‡ู…
79
00:06:47,390 --> 00:06:50,950
ุฒูŠ ู‡ูŠูƒุŒ ุญู„ูˆ ุฃุดุฑุญ ุงู„ุดูŠุก ุนู„ู‰ ุงู„ุณู‡ู… ู‡ุฐู‡ ุงู„ุฏุงุฆุฑุฉ ุงู„ู„ูŠ
80
00:06:50,950 --> 00:06:58,870
ู‚ู…ู†ุงู‡ุง ูˆุงู„ู…ุทู„ูˆุจ ู…ู†ูŠ ุฃุฌูŠุจ ู‚ูŠู…ุฉ current I L of T I
81
00:06:58,870 --> 00:07:05,030
L of T for T ุฃูƒุจุฑ ู…ู† ุฃูˆ ุชุณุงูˆูŠ T0 ููŠ ูƒู„ ุงู„ุญุงู„ุงุช
82
00:07:05,030 --> 00:07:08,870
ุชุงุนุชู†ุง ุชู‚ุฑูŠุจุง T0 ู‡ุชูƒูˆู† Zero ุจุณ ุงุญู†ุง ู‡ู†ุดุชู‚ ูˆู‡ูŠ
83
00:07:08,870 --> 00:07:14,470
ู…ูˆุฌูˆุฏุฉ T0 ูˆุจุนุฏูŠู† ู‡ู†ุนูˆุถ ุนู†ู‡ุง ุจ Zero ุทุจุนุง ุฅุฐุง ู†ู†ุฏูŠ
84
00:07:14,470 --> 00:07:17,330
ุฃู†ุง ู‡ุฐู‡ ุงู„ุฏุงุฆุฑุฉ ู†ุจุฏุฃ ุจู‡ุฐู‡ ุงู„ุญุฑูƒุฉ ู‡ุฐุง ุงู„ู€ switch
85
00:07:17,330 --> 00:07:21,170
ูˆุงู„ุณู‡ู… ุงู„ู„ูŠ ุนู„ูŠู‡ ุฅูŠุด ุจูŠุนู†ูŠู†ุงุŸ ุฅุฐุง ุทู„ุนุชูˆุง ุนู„ู‰ ุงู„ุณู‡ู…
86
00:07:21,170 --> 00:07:24,690
ุจูŠู‚ูˆู„ูˆุง ู‡ูŠูƒ ุงุชุฌุงู‡ู‡ ุงุชุฌุงู‡ ู‡ุฐุง ู„ู…ุง ูŠูƒูˆู† ุนู†ุฏูŠ switch
87
00:07:24,690 --> 00:07:30,630
ุจู‡ุฐุง ุงู„ุดูƒู„ ูˆุนู†ุฏูŠ ุณู‡ู… ุจู‚ูˆู„ูŠ ุฃู†ุง ู…ูุชุญ ุงุชุฌุงู‡ ูุชุญ ู„ูˆ
88
00:07:30,630 --> 00:07:36,470
ูƒุงู† ู‡ูŠูƒ ุงู„ุณู‡ู… ู‡ูŠูƒูˆู† ุงุชุฌุงู‡ ุฅุบู„ุงู‚ ุงู„ู€ T note ุฌู†ุจู‡
89
00:07:36,470 --> 00:07:40,090
ู…ุนู†ุงู‡ ุนู†ุฏ ุงู„ู„ุญุธุฉ T note ุฃู†ุง ูุชุญุช ุงู„ู€ switch ูŠุนู†ูŠ
90
00:07:40,090 --> 00:07:46,480
ู‚ุจู„ ุงู„ู€ T note ูƒุงู† ู…ุนู†ุงู‡ ุงู„ู€ switch ู…ุบู„ู‚ ุทุจุนุง ุฅุฐุง ุฅูŠุด
91
00:07:46,480 --> 00:07:51,860
ูƒู…ุงู† ุจู‚ูˆู„ูŠ ู…ุนู„ูˆู…ุฉ ุฅู† before T note
92
00:07:51,860 --> 00:07:55,100
ุงู„ู€ switch ุฃูˆ ูŠุนู†ูŠ ุงู„ุฏุงุฆุฑุฉ ุฎู„ู‘ูŠู†ูŠ ุฃู‚ูˆู„ู‡ ุงู„ู€ switch
93
00:07:55,100 --> 00:08:00,720
ูƒุงู…ู„ุฉ ุงู„ู€ switch was closed ุฒุงุฆุฏ ุฅู† ุงู„ุฏุงุฆุฑุฉ
94
00:08:00,720 --> 00:08:05,180
ูƒุงู†ุช for a long time ุงู„ุฏุงุฆุฑุฉ ูƒุงู†ุช ู‚ุงุนุฏุฉ ุนู„ู‰ ูˆุถุนูŠุชู‡ุง
95
00:08:05,180 --> 00:08:09,860
for a long time ู‚ุจู„ T note ู‚ุจู„ ุงู„ู€ T note ูƒุงู†ุช ุงู„ุฏุงุฆุฑุฉ
96
00:08:09,860 --> 00:08:14,080
ู‚ุงุนุฏุฉ ุนู„ู‰ ูˆุถุนูŠุชู‡ุง for a long time ุนู†ุฏ ุงู„ู€ T note ุฃู†ุง ูุชุญุช
97
00:08:14,080 --> 00:08:17,720
ุงู„ู€ switch ูŠุนู†ูŠ ู‚ุจู„ ุงู„ู€ T note ู‚ุจู„ ู…ุง ุฃูุชุญ ุงู„ู€ switch
98
00:08:17,720 --> 00:08:22,180
ุจุงู„ ุชู…ุงู… ุฃูˆ yeah exactly ู…ุด before ู‡ูˆ ูˆุถุน ุงู„ุฏุงุฆุฑุฉ
99
00:08:22,180 --> 00:08:26,020
ู‚ุจู„ ูƒุงู† before ุงู„ู€ T note .. ู‡ุนู„ู…ูŠ ุฅู† ุฃู‚ูˆู„ู‡ุง ..
100
00:08:26,020 --> 00:08:31,120
before ุงู„ู€ T note ูƒุงู†ุช ุงู„ุฏุงุฆุฑุฉ ู…ุบู„ู‚ุฉ ูˆูƒุงู†ุช ุงู„ุฏุงุฆุฑุฉ
101
00:08:31,120 --> 00:08:34,640
ุนู„ู‰ ู‡ุฐู‡ ุงู„ูˆุถุนูŠุฉ for a long time ุนู†ุฏ T ุจุชุณุงูˆูŠ T note
102
00:08:34,640 --> 00:08:38,720
ุงุญู†ุง ู†ูู‡ู… ุฅู†ู†ุง ุงู„ู€ switch ูุชุญู†ุงู‡ ุจุณ ุงู„ุฑุณู… ู‡ุฐุง ุงู„ู€
103
00:08:38,720 --> 00:08:42,460
switch ู…ูุชูˆุญ ุฏู‡ ู…ุฑุฉุŸ ู…ูุชูˆุญ ุจุณ ุงุญู†ุง ุจุฏู„ ู…ุง ู†ุฑุณู…
104
00:08:42,460 --> 00:08:46,220
ุงู„ุฏุงุฆุฑุฉ ู…ุฑุชูŠู† ู…ุฑุฉ ู…ุบู„ู‚ุฉ ู…ุฑุฉ ู…ูุชูˆุญ ู†ุฑุณู… ุงู„ุณู‡ู… ุฅูŠุด
105
00:08:46,220 --> 00:08:50,180
ุงู„ุณู‡ู… ูŠุนู†ูŠุŸ ู„ุฃู† ุฃู†ุง ูุชุญุช ุงู„ู€ switch ุงู„ู€ T node ุฃู†ุง
106
00:08:50,180 --> 00:08:53,560
ู‡ุฐุง ุงู„ู„ูŠ ุจุดุฑุญู‡ ู‚ุงุนุฏุฉ ู‡ุฐุง ุงู„ุณู‡ู… ู…ุนู†ุงู‡ ุฅู† ุฃู†ุง ูุชุญุช
107
00:08:53,560 --> 00:08:56,940
ุงู„ู€ switch ุนู†ุฏ T node ูŠุนู†ูŠ ุฅูŠุด ูƒุงู† ุงู„ูˆุถุน ุงู„ู„ูŠ ู‚ุจู„ T
108
00:08:56,940 --> 00:09:02,240
nodeุŸ ู‚ุจู„ T node ูƒุงู†ุช ู…ุบู„ู‚ุฉ ู‚ุจู„ T node ูƒุงู†ุช ู…ุบู„ู‚ุฉ ุนู†ุฏ
109
00:09:02,240 --> 00:09:05,460
T node ุจุงู„ุชุงู„ูŠ ูุชุญุชู‡ ุฅุฐุง ู‚ุจู„ ุงู„ู€ T node ุงู„ู€ switch
110
00:09:05,460 --> 00:09:09,520
ู…ุงู„ู‡ ูƒุงู† closed ูˆูƒุงู†ุช ุงู„ุฏุงุฆุฑุฉ ุนู„ู‰ ูˆุถุนูŠุชู‡ุง for a long
111
00:09:09,520 --> 00:09:14,280
time ุนู†ุฏ T node ุฃู†ุง ูุชุญุช ุงู„ู€ switch ุทุจ ุฎู„ูŠู†ูŠ ุฃุทู„ุน ุจุนุฏ
112
00:09:14,280 --> 00:09:16,820
ู…ุง ูุชุญุช ุงู„ู€ switch ุฅูŠุด ุจูŠุตูŠุฑ ุนู†ุฏูŠ ู„ู„ุฏุงุฆุฑุฉ ุจูŠุตูŠุฑ
113
00:09:16,820 --> 00:09:19,780
ุนู†ุฏูŠ ูู‚ุท induction ูˆ ู…ู‚ุงูˆู…ุฉ ุฅุฐุง ุฃู†ุง ุจูˆุถุน ุฅูŠู‡ ุนุดุงู†
114
00:09:19,780 --> 00:09:27,340
natural response ุตุญูŠุญุŸ ู…ุนุงูŠุงุŸ ู…ุงู„ูƒู…ุŸ ู…ุด ุญุงุณุณ ุฅู†ูƒู…
115
00:09:27,340 --> 00:09:33,710
ู…ุนุงูŠุง ููŠ ุงู„ู€ math labุŸ ูŠุนู†ูŠ ู„ุง ุฃุฎู„ูŠูƒู… ู…ุนุงูŠุง ุดูˆูŠุฉ ู…ุด
116
00:09:33,710 --> 00:09:38,070
ุทูˆูŠู„ุฉ ุงู„ู…ุญุงุถุฑุฉ ุงู„ูŠูˆู… ุงุญู†ุง ุนู†ุฏู†ุง ู‡ุฐุง ุงู„ุณู‡ู… ุจูŠุฃูƒุฏ ู„ูŠ
117
00:09:38,070 --> 00:09:42,910
ุฅู† ุนู†ุฏ T node ุฃู†ุง ูุชุญุช ุงู„ู€ switch ุนู†ุฏ ู‡ุงู„ู„ุญุธุฉ T
118
00:09:42,910 --> 00:09:46,070
node ุฃู†ุง ูุชุญุช ุงู„ู€ switch ู‚ุจู„ู‡ุง ุฅูŠุด ู…ุนู†ุงู‡ ู‚ุจู„ ุงู„ู€ T
119
00:09:46,070 --> 00:09:48,990
nodeุŸ ุฅูŠุด ุจูŠูƒูˆู† ุงู„ู€ switchุŸ ู…ุบู„ู‚ุŒ ู„ุฐุง ู‚ุจู„ ุงู„ู€ T node
120
00:09:48,990 --> 00:09:53,550
ูƒุงู† ุงู„ู€ switch ู…ุบู„ู‚ุŒ ุชู…ุงู…ุŸ ุจุนุฏ ุงู„ู€ T node ุฅูŠุด ุตุงุฑ
121
00:09:53,550 --> 00:09:56,490
ู…ูุชูˆุญุŸ ู„ู…ุง ูุชุญ ุงู„ู€ switch ุฅูŠุด ุตุงุฑ ุงู„ู€ limit ุนู„ู‰ ุงู„ู€
122
00:09:56,490 --> 00:10:01,420
inductorุŸ ุตุงุฑ ุจุณ ู…ูˆุตูˆู„ุฉ ุจู…ู‚ุงูˆู…ุฉุŒ ุงุญู†ุง ุฅูŠุด ุนุฑูู†ุง ู„ู…ุง
123
00:10:01,420 --> 00:10:04,780
ู‚ูู„ู†ุง ุจุงู„ู€ sourceุŸ ู‡ุฐุง natural responseุŒ ูŠุนู†ูŠ ู‡ุฐุง
124
00:10:04,780 --> 00:10:07,140
ุงู„ู…ุซุงู„ ุจู†ุทุจู‚ ุนู„ู‰ ุงู„ุญุงู„ุฉ ุจุชุงุนุชู†ุง ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ natural
125
00:10:07,140 --> 00:10:13,430
responseุŒ ู†ุดูˆู ุฅูŠุด ุจูŠุตูŠุฑ ู‚ุจู„ ูˆุจุนุฏ ุทุจ ุงูุชุฑุถ ุฅู†ุชู…
126
00:10:13,430 --> 00:10:17,010
ู„ู…ุง ุฃุฎุฐุชู… ุนู† ุงู„ู€ inductor ูˆุฎุตุงุฆุต ุงู„ู€ inductor ุฃุฎุฐุชู…
127
00:10:17,010 --> 00:10:21,030
ุฅู† ุงู„ู€ voltage ุงู„ู„ูŠ ุญูˆุงู„ูŠ ุงู„ู€ inductor ุฅูŠุด ุจุชุนุฑููˆุง ุงู„ู€
128
00:10:21,030 --> 00:10:26,790
L dI by dT ุตุญุŸ plus minus platinum ุนู„ู‰ ุจุณ ุงู„ู€ sign
129
00:10:26,790 --> 00:10:28,770
convention ููŠ ุทุฑูŠู‚ุฉ ููŠ ุฌู‡ุฉ ุงู„ู€ voltage rise ุฃูˆ ููŠ
130
00:10:28,770 --> 00:10:32,270
ุฌู‡ุฉ ุงู„ู€ voltage drop ุฃุฎุฐุชู… ู‡ุฐู‡ ุงู„ุญุงุฌุฉ ุตุญุŸ ู…ู† ู‡ุฐู‡
131
00:10:32,270 --> 00:10:35,710
ุงู„ู…ุนุงุฏู„ุฉ ุงุณุชู†ุชุฌุชู… ุญุงุฌุชูŠู† ุฅู† ุงู„ู€ current ุนู„ู‰
132
00:10:35,710 --> 00:10:41,010
ุงู„ู€ inductor ุนู†ุฏ ุงู„ู„ุญุธุฉ T ู†ุงู‚ุต ุจูŠุณุงูˆูŠ IL ุงู„ู€ T ู†ุงู‚ุต
133
00:10:41,010 --> 00:10:43,890
ุฒุงุฆุฏุŒ ุฅูŠุด ู…ุนู†ุงู‡ ู‡ุฐู‡ ุงู„ุญูƒุงูŠุฉุŸ ู…ุชุฐูƒุฑูŠู†ุŸ ุฃุฎุฐุชู…ูˆู‡ุŸ ู„ุญุธุฉ
134
00:10:43,890 --> 00:10:49,910
ุงู„ูุชุญ ุจุชุบูŠุฑุดุŒ ุฃูŠูˆุฉุŒ ุฅุฐุง ุงู„ุชูŠุงุฑ ู„ุง ูŠุชุบูŠุฑ ู„ุญุธูŠุงุŒ ู‡ุฐุง
135
00:10:49,910 --> 00:10:56,210
ุจูŠุณุงูˆูŠ IL ุงู„ู€ T ู†ุงู‚ุต ูŠุนู†ูŠ ู„ูˆ ุฃู†ุง ุญุทูŠุช ู‡ุงูŠ ุงู„ู€ T axis ู„ูˆ
136
00:10:56,210 --> 00:10:58,870
ุฃู†ุง ุฃุฌูŠุช ุนู„ู‰ ุงู„ู€ T node ุฃุณูˆุฃ ู…ู† ุงู„ุดู…ุงู„ ูˆู„ุง ู…ู†
137
00:10:58,870 --> 00:11:02,950
ุงู„ูŠู…ูŠู† ู„ุงุฒู… ุฃูˆุตู„ ู†ูุณ ุงู„ู†ู‚ุทุฉ ูุงุด discontinuity ูŠุนู†ูŠ
138
00:11:02,950 --> 00:11:06,990
ู„ุญุธุฉ ุงู„ูุชุญุฉ ุฃูˆ ุงู„ุฅุบู„ุงู‚ ุงู„ุชูŠุงุฑ ู„ุง ูŠุชุบูŠุฑ ู„ุญุธูŠุง ููŠ ุงู„ู€
139
00:11:06,990 --> 00:11:10,050
inductor ุงู„ุญุงุฌุฉ ุงู„ุซุงู†ูŠุฉ ุงุณุชู†ุชุฌุชู…ูˆู‡ุง ุงู„ู„ูŠ ู‡ูˆ for a
140
00:11:10,050 --> 00:11:14,390
long time ุฅูŠุด
141
00:11:14,390 --> 00:11:19,470
ุจูŠุตูŠุฑ ู„ู„ูƒุฑุฉุŸ ุจูŠุตูŠุฑ constant ุจูŠุตูŠุฑ ู‚ูŠู…ุฉ ุซุงุจุชุฉ ุจูŠุตูŠุฑ
142
00:11:19,470 --> 00:11:23,130
ุฅูŠุด ู‚ูŠู…ุฉ ุงู„ voltage zeroุŸ V(t) ุจุชุณุงูˆูŠ ุตูุฑุŒ ุฅูŠุด
143
00:11:23,130 --> 00:11:26,190
ู…ุนู†ุงู‡ V(t) ุจุชุณุงูˆูŠ ุฒูŠุฑูˆุŸ ุฅูŠุด ุณุงู„ุชู‡ ุงู„ inductor
144
00:11:26,190 --> 00:11:28,810
after a long timeุŸ ุฅูŠุด ุณุฃู„ุชู‡ุŸ ุฅูŠุด ุงู„ voltage
145
00:11:28,810 --> 00:11:32,070
ู…ุนู†ุงู‡ุง ุฒูŠุฑูˆุŸ ุฅูŠุด ุจูŠุณุงูˆูŠุŸ ุฅูŠุด ู…ุนู†ุงู‡ุงุŸ ุฃุฎุฐุชูˆ
146
00:11:32,070 --> 00:11:34,470
ุงู„ู…ูุฑูˆุถ ู…ุน ุงู„ุฏูƒุชูˆุฑ ู…ุญู…ุฏุŒ ุฅูŠุด ุจูŠุตูŠุฑ ู„ู…ุง ูŠูƒูˆู† ุงู„
147
00:11:34,470 --> 00:11:36,810
voltage ุจุชุณุงูˆูŠ ุฒูŠุฑูˆุŸ ู…ุนุงูŠุง ุฃุฎุฐุชูˆุŒ ุฃูŠ element ู„ู…ุง
148
00:11:36,810 --> 00:11:40,130
ูŠุตูŠุฑ voltage ุญูˆุงู„ูŠ ุฒูŠุฑูˆ ุฅูŠุด ุจูŠูƒูˆู†ุŸ ุฅูŠุด ู…ุนู†ุงู‡ุงุŸ
149
00:11:40,130 --> 00:11:44,770
short circuitุŒ ุงู„ inductor ุจูŠุตูŠุฑ short circuit
150
00:11:48,430 --> 00:11:51,430
ู‡ุฏูˆู„ ุงู„ุญุงุฌุชูŠู† ุงู„ู„ูŠ ุงุญู†ุง ุจู†ุนุฑูู‡ู… ู…ู† ุฎุตุงุฆุต ุงู„
151
00:11:51,430 --> 00:11:55,330
Inductor ุฃู†ู‡ ู„ุง ูŠุชุบูŠุฑ ุงู„ุฒู…ู† ู„ุญุธูŠุงุŒ ูˆุงู„ุญุงุฌุฉ ุงู„ุซุงู†ูŠุฉ
152
00:11:55,330 --> 00:11:58,830
ู„ู…ุง ูŠุตูŠุฑ ููŠ ุญุงู„ุฉ steady state ุฃูˆ ุญุงู„ุฉ long time
153
00:11:58,830 --> 00:12:03,930
ู…ุนู†ุงู‡ุง steady state ุจูŠุตูŠุฑ
154
00:12:03,930 --> 00:12:07,530
ุงู„ current constant ู„ู…ุง ูŠุตูŠุฑ ุงู„ current constant
155
00:12:07,530 --> 00:12:10,070
ุชูุงุถู„ู‡ ุจูŠุณุงูˆูŠ zero ุงู„ voltage ุจูŠุณุงูˆูŠ zero ู…ุนู†ุงู‡ ุฃู† ุงู„
156
00:12:10,070 --> 00:12:13,930
Inductor ุจูŠุตูŠุฑ short circuit ุชู…ุงู… ูู‡ูŠ ู„ู„ุชุณุฌูŠู„ ู„ูŠู‡
157
00:12:13,930 --> 00:12:18,460
ู†ุดูˆู ููŠ ุฏุงุฆุฑุชู†ุง ุฅูŠุด ุจูŠุตูŠุฑุŸ for T ุฃู‚ู„ ู…ู† T<sub>0</sub>
158
00:12:18,460 --> 00:12:24,400
ุงู„ุฏุงุฆุฑุฉ ูƒุงู†ุช ุจู‡ุฐุง ุงู„ุดูƒู„ ุนู†ุฏ ุงู„ current I<sub>S</sub> ุนู†ุฏ R
159
00:12:24,400 --> 00:12:32,000
node ู‡ุฐุง ู…ุบู„ู‚ ุนู†ุฏ ุงู„ inductor ูˆุนู†ุฏูŠ ุงู„ู…ู‚ุงูˆู…ุฉ R
160
00:12:32,000 --> 00:12:34,640
ูˆุงุชุฌุงู‡ ุงู„ุชูŠุงุฑ ู…ุทู„ูˆุจ I<sub>L</sub>
161
00:12:37,990 --> 00:12:40,790
ู‡ู„ู‚ูŠุช ุงุญู†ุง ุงู„ุฏุงุฆุฑุฉ ู‡ุฐู‡ ู‚ูˆู„ู†ุง ู…ุงู„ู‡ุงุŸ ุถู„ุช ุนู„ู‰ ู‡ุฐู‡
162
00:12:40,790 --> 00:12:43,790
ุงู„ูˆุถุนูŠุฉ for long time ุฅูŠุด ู‚ูˆู„ู†ุง long time ู…ุน ู†ุงุณ
163
00:12:43,790 --> 00:12:47,230
ุฏูŠ state ุฅูŠุด ุตุงุฑ ุงู„ inductorุŸ ุณู…ุญุชู‡ุง ุดูˆูŠุฉ ุฅูŠุด ุตุงุฑ
164
00:12:47,230 --> 00:12:50,730
ุงู„ inductorุŸ short circuit short circuit ุฅุฐุง after
165
00:12:50,730 --> 00:12:54,030
long time ุฅูŠุด ุจูŠุตูŠุฑ ุงู„ inductorุŸ short circuit ู„ู…ุง
166
00:12:54,030 --> 00:12:58,570
ูŠุตูŠุฑ short circuit ุฅูŠุด ุจูŠุตูŠุฑ ู„ู€ R<sub>1</sub> ูˆ R<sub>2</sub>ุŸ R<sub>1</sub> ูˆ
167
00:12:58,570 --> 00:13:03,650
R<sub>2</sub> ู…ูˆุตู„ูŠู† ุนู„ู‰ ุงู„ุฏุงุฆุฑุฉ ู‡ุฐู‡ ุตุงุฑ short circuit ุฅูŠุด
168
00:13:03,650 --> 00:13:08,830
ุตุงุฑ R<sub>1</sub> ูˆ R<sub>2</sub>ุŸ ู…ูˆุตู„ูŠู† ุนู„ู‰ ุงู„ุฏุงุฆุฑุฉ ู…ุน ู…ูŠู†ุŸ ู…ุน ุงู„
169
00:13:08,830 --> 00:13:14,710
source ู…ุน ุงู„ู€ current ุงู„ุชุงู†ูŠู† ู…ูˆุตูˆู„ูŠู† ... ุทุจ ู‡ู…ุง ู…ู†
170
00:13:14,710 --> 00:13:17,770
ุงู„ุฃุณุงุณ ู…ูˆุตูˆู„ูŠู† ุนู„ู‰ ุงู„ุชูˆุงุฒูŠุŒ ุฅูŠุด ุงุชุบูŠุฑุŸ ููŠ ุฅูŠุด ุตุงุฑ
171
00:13:17,770 --> 00:13:19,610
ู„ู…ุง ุตุงุฑ ู‡ุฐู‡ short circuitุŸ ุงู„ู€ R ู‡ุชุฑูˆุญ ... ุงู„ู€ R
172
00:13:19,610 --> 00:13:22,270
ู‡ุชุฑูˆุญ ... ุงู„ู„ู‡ ูŠุญูุธู‡ู… ... ู‡ูŠุฑูˆุญูˆุง ู„ู„ุดุงุฑุนุŒ ุญูŠุตูŠุฑู„ู‡ู…
173
00:13:22,270 --> 00:13:26,270
ุดู†ุชุŒ ูŠุนู†ูŠ ุฃู†ุง ุจุฏูŠ ุฃู…ุดูŠุŒ ุนู†ุฏูŠ ู‡ุฐู‡ ู‡ุฏููŠ ูˆุนู†ุฏูŠ
174
00:13:26,270 --> 00:13:29,570
ุงู„ุดุงุฑุนูŠู†ุŒ ูˆุงุญุฏ ู…ู„ูŠุงู† ุจู†ูŠ ุฃุฏู…ูŠู†ุŒ ุญูŠุธู„ูˆุง ู…ุฎุจุทูˆุง ููŠุงุŒ
175
00:13:29,570 --> 00:13:32,870
ูˆุงุญุฏ ูุงุถูŠ ูˆุงู†ุญุฑููˆุงุŒ ู‡ุงู„ูุงุถูŠ ูˆู„ุง ูƒุฃู†ู‡ ู‡ุฐุง ู…ูˆุฌูˆุฏุŒ
176
00:13:32,870 --> 00:13:36,110
ุจู†ุณู…ูŠู‡ุง ุนู…ู„ูŠุฉ ุดู†ุชุŒ ุงู„ู…ู‚ุงูˆู…ุงุช ุญูŠุตูŠุฑู„ู‡ู… ุดู†ุช
177
00:13:36,340 --> 00:13:39,780
ุฑูŠุงุถูŠุงุŒ ู„ูˆ ุจุฏู†ุง ู†ุนู…ู„ู‡ุง ุฑูŠุงุถูŠุงุŒ ู‡ุฏูˆู„ ุซู„ุงุซ ู…ู‚ุงูˆู…ุงุช
178
00:13:39,780 --> 00:13:43,160
ู…ุงู„ู‡ู… ุนู„ู‰ ุงู„ุชูˆุงุฒูŠุŒ ุงู„ู…ูƒุงูุฆุฉ ุฃู‚ู„ ู…ู† ุฃู‚ู„ ูˆุงุญุฏุฉ ููŠู‡ู…ุŒ
179
00:13:43,160 --> 00:13:46,120
ูˆู…ูŠู† ุฃู‚ู„ ูˆุงุญุฏุฉ ููŠู‡ู…ุŒ ุงู„ู€ 0ุŒ ุฅุฐุง ูƒู„ู‡ู… ุญูŠููƒุงูุฆูˆุง short
180
00:13:46,120 --> 00:13:48,820
circuitุŒ ุฅุฐุง ู†ู‡ุฏูŠ ุงู„ุชูŠุงุฑ ู…ุงู„ู‡ุŒ ูƒู„ู‡ ุญูŠุฑูˆุญ ุนู„ู‰
181
00:13:48,820 --> 00:13:59,440
ุงู„ู€ inductorุŒ ุฅุฐุง ู†ู‡ุฏูŠ ุงู„ู€ TุŒ ู†ุงู‚ุตุŒ ู‡ุชุณุงูˆูŠ I<sub>S</sub>ุŒ
182
00:13:59,440 --> 00:14:04,850
I<sub>L</sub>(0) ุญูŠูŠูƒูˆู† ุจูŠุณุงูˆูŠ I<sub>S</sub> ูƒู„ ุงู„ุชูŠุงุฑ ุญูŠุฑูˆุญ ุจู€ ...
183
00:14:04,850 --> 00:14:08,570
ูˆุงู„ุงุชุฌุงู‡ ู†ูุณ ุงู„ุงุชุฌุงู‡ุŒ ู„ูˆ ูƒุงู† ุงู„ุงุชุฌุงู‡ ู…ุนุงูƒุณ ุญุฃุนุทูŠู‡
184
00:14:08,570 --> 00:14:13,570
ู†ุงู‚ุต ุชู…ุงู…ุŸ ุฅุฐุงู‹ ูƒู„ ุงู„ุชูŠุงุฑ ุญูŠูู…ูุฑู‘ ููŠ ุงู„ู€ inductor ูˆู‡ุฐุง
185
00:14:13,570 --> 00:14:17,150
ุญุณู…ูŠู‡ ุงู„ู€ initial value ุนู†ุฏ ู…ุง ูƒุงู† ุงู„ู€ switch ุฅูŠุด
186
00:14:17,150 --> 00:14:22,010
ู…ุงู„ู‡ ู…ุบู„ู‚ ู„ูƒู† ุฅุญู†ุง ุงุชูู‚ู†ุง ุฅู† I<sub>L</sub>(0) ุจูŠุณุงูˆูŠ
187
00:14:22,010 --> 00:14:28,530
I<sub>L</sub>(โˆž) ุจูŠุณุงูˆูŠ I<sub>L</sub>(โˆž) ุจูŠุณุงูˆูŠ
188
00:14:28,530 --> 00:14:32,330
I<sub>S</sub> ููŠ ู‡ุฐู‡ ุงู„ุญุงู„ุฉ ู„ูŠู‡ ู‚ูŠู…ุฉ ุซุงุจุชุฉุŸ ู„ุฃู† ู‡ุฐุง DC source
189
00:14:32,330 --> 00:14:36,410
ุฅุฐุง ุฃู†ุง ุนุฑูุช ุงู„ู€ initial value ุงู„ู„ูŠ ู‡ูŠ ู‡ู†ุดูˆู ุฃู†ู‡ุง
190
00:14:36,410 --> 00:14:40,290
ุจุชู„ุฒู…ู†ูŠ ุนุดุงู† ุฃุฌูŠุจ ู‚ูŠู…ุฉ ุงู„ุชูŠุงุฑ ุจุนุฏ ู…ุง ุฃูุตู„ ุงู„
191
00:14:40,290 --> 00:14:45,890
switch ู†ูŠุฌูŠ ู„ู…ุง ู†ูุตู„ ุงู„ู€ switch ุฅูŠุด ุจูŠุตูŠุฑุŸ ุฃู†ุง ูุตู„ุช
192
00:14:45,890 --> 00:14:49,530
ุงู„ู€ switch ุฎู„ูŠู†ูŠ ุฃุณุชุฎุฏู… ู†ูุณ ุงู„ู…ูƒุงู† ูˆุฃูุชุญ ุงู„ู€ switch
193
00:14:49,530 --> 00:14:54,570
ูู‡ูŠุŸ ู‡ูŠ ูุชุญุชู‡ุง ูƒู„ ู‡ุฐุง ุจูŠุฑูˆุญ ู…ุด ุชุฑูˆุญ ุชุญู„ู„ู‡ ู‡ุฐู‡ ุฃู†ุง ุนู†ุฏูŠ
194
00:14:54,570 --> 00:14:58,550
ูƒุงู† ุทุงู„ุจูŠู† ููŠ ุงู„ุณู†ูˆุงุช ุงู„ุณุงุจู‚ุฉ ุงู„ู„ูŠ ู‡ู… ุจุฏู„ I<sub>L</sub>(t) for T
195
00:14:58,550 --> 00:15:04,800
ูŠุนู†ูŠ T ุฃูƒุจุฑ ู…ู† Zero ุจุฏู†ุง I<sub>L</sub>(t) for T ุฃู‚ู„ ู…ู† T<sub>0</sub>ุŒ
196
00:15:04,800 --> 00:15:09,560
ุฅูŠุด ูŠู‚ุนุฏูˆุง ูŠุญู„ู„ูˆุง ููŠ ู‡ุฐู‡ ุงู„ุฌุฒุฆูŠุฉุŸ ู„ุฃู† ูุชุญุช ุงู„
197
00:15:09,560 --> 00:15:13,580
switch ุงู„ุฃุตู„ูŠุฉ ุงู„ู„ูŠ ุนู…ู„ู†ุง ุงู„ุฑุณู…ุฉ ุงู„ุซุงู†ูŠุฉุŒ ุฏูŠ
198
00:15:13,580 --> 00:15:17,840
ุถูŠู‘ุนู†ุงู‡ุงุŒ ุงู„ู…ู‚ุงุจู„ ู„ู€ R ุฃู†ู‡ูŠ ู‡ุฐู‡ุŸ ุขู‡ ุฅูŠุด ุงู„ู…ู‚ุงุจู„ุŸ
199
00:15:17,840 --> 00:15:21,020
ุงู„ู„ูŠ ู‡ู†ุงูƒุŒ ูƒุงู† ููŠ ุนู†ุฏู†ุง ุงู„ู€ index ุถูŠู‘ุนู†ุงู‡ุงุŒ ู…ุด ุฅุญู†ุง
200
00:15:21,020 --> 00:15:25,820
ู‚ูˆู„ู†ุง ู‡ุฐู‡ุŒ for T ุฃู‚ู„ ู…ู† T<sub>0</sub>ุŸ ู‡ุฐู‡ุŸ ู‡ู„ุฃ ุฅูŠุด
201
00:15:25,820 --> 00:15:27,740
ุจูŠุตูŠุฑ ุนู†ุฏู†ุง for long timeุŸ
202
00:15:31,530 --> 00:15:34,130
for a long time ู‡ุฐู‡ ุงู„ุฏุงุฆุฑุฉ ู‚ุงุนุฏุฉ for a long time
203
00:15:34,130 --> 00:15:36,990
ู‚ุจู„ ุดูˆูŠุฉ ู…ุณุญุชู‡ุงุŒ ุฏู‡ ุจุชุญุฏูŠุฏุŒ ู‚ู„ู†ุง for a long time ุฅูŠุด
204
00:15:36,990 --> 00:15:40,170
ุจูŠุตูŠุฑ ู„ู„ุฅู†ุฏูƒุชูˆุฑุŸ ุงู„ู€ current ุงู„ู„ูŠ ุจูŠุตูŠุฑ ููŠู‡ ู…ุงู„ู‡
205
00:15:40,170 --> 00:15:46,450
constantุŒ V ุจูŠุณุงูˆูŠ zeroุŒ ุซู… ุจูŠุตูŠุฑ short circuitุŒ ุฅุฐุง
206
00:15:46,450 --> 00:15:49,470
ุฃุฎุฐุชูˆุง ุจุงู„ููŠุฒูŠุงุก ุฃู†ุชู…ุŒ ู‡ูŠ ุฎู„ูŠู†ูŠ ุฃุณู‡ู„ูƒู… ุฅูŠุงู‡ุง with
207
00:15:49,470 --> 00:15:52,670
charging ูˆ with discharging after a long time
208
00:15:52,670 --> 00:15:56,950
ุจูŠุตูŠุฑ ุนู†ุฏู‡ู… ุซุงุจุชุŒ ุงู„ู€ current ุจุชุนุฏูŠ ู‚ูŠู…ุฉ ุงู„ู€ source ูˆู„ุง
209
00:15:56,950 --> 00:16:01,160
ูŠู…ูƒู†ุŒ ุตุญุŸ ู…ุนู†ุงู‡ ุฃู† ุฃู†ุง ุจุนุฏ ู…ุง ุดุญู†ุชู‡ ูˆุตู„ ู„ู‚ูŠู…ุฉ
210
00:16:01,160 --> 00:16:06,420
ุซุงุจุชุฉ ุจุชุณุงูˆูŠ ู‚ูŠู…ุฉ ุงู„ู€ source ุตุงุฑุช constant ุจุนุฏ ุฒู…ู†
211
00:16:06,420 --> 00:16:11,480
ุทูˆูŠู„ุŒ ุณุจุนุฉ ู‚ุฑูˆู† ุตุงุฑ ุฏูŠ I/ุฏูŠ T ุจูŠุณุงูˆูŠ ุตูุฑ
212
00:16:11,480 --> 00:16:15,720
ูุตุงุฑ ู…ุงู„ู‡ short circuit ู„ู…ุง ุตุงุฑ short circuit ู‡ุฐุง
213
00:16:15,720 --> 00:16:20,000
ุจูŠู‚ูˆู„ ู„ูŠู‡ ุฅู† I<sub>L</sub> ุงู„ู„ูŠ ุจุชู…ุฑ ููŠ I<sub>L</sub>(0)
214
00:16:20,000 --> 00:16:26,090
ู„ู…ุง T ุฃู‚ู„ ู…ู† T<sub>0</sub> ุทุจ for T ุฃูƒุจุฑ ู…ู† T<sub>0</sub> ุฃูˆ
215
00:16:26,090 --> 00:16:30,530
ุชุณุงูˆูŠู‡ุงุŒ ุงู„ู€ switch ู…ูุชูˆุญุŒ ูู‡ุฐุง ุงู„ู€ switch ุงู†ูุชุญุŒ ูุชุญุชู‡
216
00:16:30,530 --> 00:16:33,490
ุฃู†ุง ูŠุนู†ูŠ T ุฃูƒุจุฑ ู…ู† T<sub>0</sub> ุฃูˆ ุชุณุงูˆูŠู‡ุง ู…ูุชุญ ุงู„ู€
217
00:16:33,490 --> 00:16:36,390
switchุŒ ุฃู†ุง ุจุฏูŠ ุงู„ุชูŠุงุฑ ู„ู€ inductor ุฅุฐุง ุฃู†ุง ุจุฑูƒุฒ ุนู„ู‰
218
00:16:36,390 --> 00:16:39,770
ู‡ุฐู‡ ุงู„ุฌุฒุก ู…ู† ุงู„ุฏุงุฆุฑุฉ ุงู„ู„ูŠ ุจุญูƒูŠ ุฃู†ู‡ ููŠ ุจู†ุงุช ู…ุง ุจุนุฑูุด
219
00:16:39,770 --> 00:16:41,510
ุฅูŠุด ุจูŠูุนู„ูˆุง ููŠ ุงู„ุงู…ุชุญุงู† ุจูŠุฑูˆุญูˆุง ุนู„ู‰ ู‡ุฐู‡ ุงู„ุฏุงุฆุฑุฉ
220
00:16:41,510 --> 00:16:44,630
ุฅูŠุด ููŠ ุฏูˆู… ู…ู†ู‡ุง ู…ุง ุจุนุฑูุด ุฅุญู†ุง ุจูŠุณุฃู„ู‡ู… ุนู„ู‰ ุงู„ุชูŠุงุฑ ููŠ
221
00:16:44,630 --> 00:16:47,630
ุงู„ุฅู†ุฏูƒุชูˆุฑ for T ุฃูƒุจุฑ ู…ู† T<sub>0</sub> ุจูŠุฑูˆุญูˆุง ุนู„ู‰ ู‡ุฐู‡
222
00:16:47,630 --> 00:16:50,710
ุงู„ุฌุฒุกุŒ ุงุญู†ุง ู‡ุฐุง ุงู„ุฌุฒุก ูˆู„ุง ู„ุงุฒู…ู†ุง ุฎู„ุงุต ูŠุนู†ูŠ ุงู†ูุชุญ
223
00:16:50,710 --> 00:16:54,790
ุงู„ู€ switch ูุตู„ ู‡ุฐุง ุงู„ู€ source ูˆุฑุงุญ ู†ุถู…ู† ู‡ุฐู‡
224
00:16:54,790 --> 00:17:00,210
ุงู„ุฏุงุฆุฑุฉ ุงู„ู„ูŠ ููŠู‡ุง ุงู„ู€ Inductor ูˆุงู„ู…ู‚ุงูˆู…ุฉ ุนู†ุฏูŠ ุฃู†ุง
225
00:17:00,210 --> 00:17:04,690
ุงู„ู€ voltage ุงู„ู„ูŠ ุญูˆุงู„ูŠู† ุงู„ู€ InductorุŒ sorry ุงู„
226
00:17:04,690 --> 00:17:08,010
Inductor ุจูŠุณุงูˆูŠ ุงู„ู€ voltage ุงู„ู„ูŠ ุญูˆุงู„ูŠู† ุงู„ู…ู‚ุงูˆู…ุฉ
227
00:17:08,010 --> 00:17:11,510
ูุนู†ุฏูŠ
228
00:17:11,510 --> 00:17:15,710
I<sub>L</sub> ุจูŠุณุงูˆูŠ ู†ูุณ ุงู„ุชูŠุงุฑ ุงู„ู…ุงุฑ ููŠ ุงู„ู…ู‚ุงูˆู…ุฉ I<sub>L</sub> ู‡ูˆ ู†ูุณ
229
00:17:15,710 --> 00:17:19,150
ุงู„ู…ุงุฑ ููŠ ุงู„ู…ู‚ุงูˆู…ุฉ ุจุนุฏ ู…ุง ูุตู„ู†ุง ุงู„ุฌุฒุก ู‡ุฐุงูƒุŒ ู„ูˆ ุฃุฎุฐู†ุง
230
00:17:19,150 --> 00:17:24,620
ูƒุดูˆู voltage lawุŒ ุฅูŠุด ุญูŠู‚ูˆู„ ุงู„ูƒุฑุชุฒ voltage lawุŸ
231
00:17:24,620 --> 00:17:29,860
ุนู†ุฏูŠ ู†ุงู‚ุต V<sub>L</sub> ุฒุงุฆุฏ V<sub>R</sub> ุจูŠุณุงูˆูŠ ุตูุฑุŒ ูˆู‡ุฐุง ุฅุญู†ุง
232
00:17:29,860 --> 00:17:33,020
ุนุงุฑููŠู†ู‡ุŒ ุงู„ุชู†ุชูŠู† ุจูŠุณุงูˆูŠ ุจุนุถุŒ V<sub>L</sub> ุจูŠุณุงูˆูŠ V<sub>R</sub>
233
00:17:38,420 --> 00:17:43,800
ุฅุฐุง ุฅูŠุด V<sub>L</sub>ุŸ V<sub>L</sub> ุงู„ู„ูŠ ู‡ูŠ L dI/dTุŒ ุจุณ I ููŠ ุงุชุฌุงู‡ ุงู„ู€
234
00:17:43,800 --> 00:17:47,200
voltage riseุŒ ูุนู†ุฏูŠ ูƒู…ุงู† ู†ุงู‚ุต sign ุญุชู‰ ุชุตูŠุฑ ุฒุงุฆุฏ L
235
00:17:47,200 --> 00:17:56,620
dI<sub>L</sub>(t)/dt ูˆ V<sub>R</sub> ุฅูŠุด ุจุชุณุงูˆูŠุŸ I<sub>L</sub>(t) R
236
00:17:56,620 --> 00:17:59,620
ุจุชุณุงูˆูŠุŒ ุงุณุชุฑ ูˆุงู„ุนู„ุงู‚ุฉ ู…ุด ุจู‚ู‰ ุงู„ู„ูŠ ุจุชู‚ุนุฏ ููŠ ุงุชุฌุงู‡ ุงู„ู€
237
00:17:59,620 --> 00:18:05,950
voltage drop ู‡ุฐู‡ ุงู„ู…ุนุงุฏู„ุฉ ุจู†ุณู…ูŠู‡ุง ู…ุนุงุฏู„ุฉ ุชูุงุถู„ูŠุฉ ู…ู†
238
00:18:05,950 --> 00:18:09,090
ุฏุฑุฌุฉุŒ ูˆู„ุง ุฃุฎุฐุชูˆ ุชูุงุถู„ุŸ ูŠุนู†ูŠ ุจุชุนุฑููˆุง ุชูุงุถู„ูˆุง ู‡ุฐู‡
239
00:18:09,090 --> 00:18:12,090
ุงู„ุฏุงุฆุฑุฉุŸ ูŠุนู†ูŠ ุฃู†ุง ูƒู„ ุจุฏูŠ ุฃุนู…ู„ ูุตู„ ู„ู„ู…ุชุบูŠุฑุงุช
240
00:18:12,090 --> 00:18:19,380
ู‡ุชุตูŠุฑ ุนู†ุฏูŠ dI<sub>L</sub>(t)/I<sub>L</sub>(t) ุชุณุงูˆูŠ ุงู„ุณุงู„ุจ R/
241
00:18:19,380 --> 00:18:23,940
L ููŠ dtุŒ ุฃู†ุง ูุตู„ุช ุงู„ู…ุชุบูŠุฑุงุชุŒ ุญุทูŠุช ุงู„ู€ current ููŠ ุฌู‡ุฉ
242
00:18:23,940 --> 00:18:29,460
ุฃุณู…ูŠุชู‡ุง ุนู„ู‰ I<sub>L</sub> ูˆุถุฑุจุช ููŠ dt ูˆุฃุณู…ูŠุชู‡ุง ุนู„ู‰ L ูุตุงุฑ ุนู†ุฏูŠ ููŠ
243
00:18:29,460 --> 00:18:34,040
ู‡ุฐุง ุงู„ุทุฑู dI<sub>L</sub>/I<sub>L</sub> ูˆููŠ ู‡ุฐุง ุงู„ุทุฑู ุตุงุฑ ุนู†ุฏูŠ R/
244
00:18:34,040 --> 00:18:40,470
L ููŠ dt ุชู…ุงู…ุŸ ูˆุงุถุญ ู„ุญุฏ ู‡ูˆู†ุŸ ุนุดุงู† ุฃูƒุงู…ู„ุŒ ุจุฏูŠ ุฃูƒุงู…ู„ ู…ู†
245
00:18:40,470 --> 00:18:43,190
ุงู„ู€ initial time ุงู„ู„ูŠ ู‡ูŠ T<sub>0</sub> ู„ู€ T ุงู„ู„ูŠ ู‡ูŠ ุงู„ู„ุญุธุฉ
246
00:18:43,190 --> 00:18:46,430
ุงู„ุฒู…ู†ูŠุฉ ุงู„ู„ูŠ ุจุฏูŠ ุนู†ุฏู‡ุง ู‚ูŠู…ุฉ ุงู„ู€ currentุŒ ุฅุญู†ุง ุจุฏู†ุง
247
00:18:46,430 --> 00:18:51,830
ูŠุง for T ุฃูƒุจุฑ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ T<sub>0</sub> ูŠุนู†ูŠ T<sub>0</sub> ู„ู€ T ู‡ูˆู†
248
00:18:51,830 --> 00:18:56,370
ุญูŠูŠูƒูˆู† ุงู„ู€ initial current ุนู†ุฏ T<sub>0</sub> ู„ู…ู†ุŸ ู„ู„ุชูŠุงุฑ
249
00:18:56,370 --> 00:19:04,310
ุงู„ู„ูŠ ุฃู†ุง ุจุฏู‘ูŠู‡ I<sub>L</sub>(t) ู„ู…ุง ุฃูƒุงู…ู„ู‡ ุญูŠูุทู„ุน ุนู†ุฏูŠ ุชูƒุงู…ู„ dx
250
00:19:04,310 --> 00:19:10,350
ุนู„ู‰ xุŒ ุงู„ู€ ln ู‡ุชุนุทูŠู†ูŠ ln I<sub>L</sub>(t) ู…ู† ูˆูŠู†ุŸ ู…ู†
251
00:19:10,350 --> 00:19:18,130
I<sub>L</sub>(T<sub>0</sub>) ู„ู€ I<sub>L</sub>(t) ุจุชุณุงูˆูŠ ู†ุงู‚ุต R/L ููŠ
252
00:19:18,130 --> 00:19:24,730
ุชูƒุงู…ู„ ุงู„ุชูุงุถู„ ุญูˆุงู„ูŠ t ู…ู† t ู„ู€ T<sub>0</sub> ุชู…ุงู…ุŸ ููŠ ุฃูŠ
253
00:19:24,730 --> 00:19:29,720
ุตู ุตุงุฑ ู„ุญุฏ ู‡ูˆู†ุŸ ู‡ุฐู‡ ู‡ุชูƒูˆู† ln I<sub>L</sub>(t) ู†ุงู‚ุต ln
254
00:19:29,720 --> 00:19:34,460
I<sub>L</sub>(T<sub>0</sub>)ุŒ ln x ู†ุงู‚ุต ln yุŒ ln x/y
255
00:19:34,460 --> 00:19:42,820
ูู‡ุฐู‡ ู‡ุชูƒูˆู† ln I<sub>L</sub>(t)/I<sub>L</sub>(T<sub>0</sub>) ุจุชุณุงูˆูŠ
256
00:19:42,820 --> 00:19:47,940
ู†ุงู‚ุต R/L ููŠ T ู†ุงู‚ุต T<sub>0</sub>ุŒ ู„ูˆ ุฃุฎุฐุช ุงู„ู€
257
00:19:47,940 --> 00:19:52,980
exponential ู„ู„ุทุฑููŠู† ุญูŠูŠูƒูˆู† ุนู†ุฏูŠ ู‚ูŠู…ุฉ ุงู„ู€ current ู‡ุฐุง
258
00:19:52,980 --> 00:20:00,240
ู…ุด ุญุงู…ุณุญ ู…ู† ู‡ูˆู† ุญูŠูŠูƒูˆู† ุนู†ุฏูŠ I<sub>L</sub>(t) ุชุณุงูˆูŠ I<sub>L</sub>(T<sub>0</sub>)
259
00:20:00,240 --> 00:20:08,280
e<sup>-R/L (T-T<sub>0</sub>)</sup> ู‡ุฐู‡ ู‡ูŠ ู‚ูŠู…ุฉ
260
00:20:08,280 --> 00:20:11,200
ุงู„ุชูŠุงุฑ ุงู„ู…ุงุฑ ููŠ ุงู„ู€ inductor ููŠ ุญุงู„ุฉ ุงู„ู€ natural response.
261
00:20:13,060 --> 00:20:18,020
ู‡ุฐุง ู‡ูˆ ุงู„ู…ุทู„ูˆุจ ู…ู†ูƒู…ุŒ ูƒู„ ุงู„ู„ูŠ ุฃู†ุง ุญูƒูŠุชู‡ ู…ุด ู…ุทู„ูˆุจ
262
00:20:18,020 --> 00:20:22,030
ู…ู†ูƒู… ุฃู†ุง ุนู…ู„ุชู‡ ุนู…ู„ุช ุงู„ู€ differential equation ูˆ
263
00:20:22,030 --> 00:20:26,030
ุญู„ูŠุชู‡ุงุŒ ุจุทู„ุจ ู…ู†ูƒู… ุชุดุชู‚ูˆู‡ุง ูˆู„ุง ุชุนู…ู„ูˆู‡ุง ู…ู† ุฃูˆู„ ูˆุฌุฏูŠุฏ
264
00:20:26,030 --> 00:20:29,790
ูƒู„ ู…ุทู„ุจ ู…ู†ูƒู… ู‡ุฐู‡ ุงู„ู…ุนุงุฏู„ุฉ ุชุญูุธูˆู‡ุง ู„ู…ุง ุชู„ุงู‚ูŠ ุฏุงุฆุฑุฉ
265
00:20:29,790 --> 00:20:33,790
ุฒูŠ ู‡ูŠูƒ ุทูˆู„ ุนู„ู‰ ุทูˆู„ I<sub>L</sub> ุจุชุณุงูˆูŠ I<sub>L</sub>(T<sub>0</sub>) ููŠ E<sup>-R/L (T-T<sub>0</sub>)</sup>
266
00:20:33,790 --> 00:20:36,890
ูู‡ุฐู‡ ุงู„ู…ุทู„ุจ
267
00:20:36,890 --> 00:20:42,410
ู…ู†ูƒู…ุŒ ู†ูŠู‡ุŸ ูƒูˆูŠุณูŠู† ู…ุน ุจุนุถุŸ ู…ู…ุชุงุฒุฉ ุทุจ ุฎู„ูŠู†ุง ู†ุญู„ู„ ู‡ุฐู‡
268
00:20:42,410 --> 00:20:47,350
ุงู„ู…ุนุงุฏู„ุฉ ู„ุชุฉ C ุฎู„ูŠู†ูŠ ุฃู‚ูˆู„ ุฃู† T<sub>0</sub> ุจุชุณุงูˆูŠ Zero
269
00:20:48,390 --> 00:20:53,310
ู‡ุชุตูŠุฑ ุนู†ุฏูŠ I<sub>L</sub>(t) ุจุชุณุงูˆูŠ I<sub>L</sub>(0) ููŠ e<sup>-R/L t</sup>
270
00:20:53,310 --> 00:21:03,230
ู†ุฑุณู…ู‡ุง ู‡ูŠ ุงู„ุฒู…ู† ูˆู‡ูŠ I<sub>L</sub>(t)
271
00:21:03,230 --> 00:21:08,650
ู„ูˆ ู‡ุฐุง ุจุงู„ุฃู…ุจูŠุฑ ูˆู‡ุฐุง ุจุงู„ุซุงู†ูŠุฉุŒ ู†ุจุฏุฃ
272
00:21:08,650 --> 00:21:11,350
for t ุฃู‚ู„ ู…ู† ู†ุฎู„ูŠู‡ุง ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ 0 ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ T
273
00:21:11,350 --> 00:21:14,410
<sub>0</sub> ุจุชุงุนุชูŠ ุฃู‚ู„ ู…ู† T<sub>0</sub> ู‚ุฏ ุฅูŠุด ูƒุงู†ุช ู‚ูŠู…ุฉ ุงู„ู€
274
00:21:14,410 --> 00:21:18,760
currentุŸ ู‚ุฏ ุฅูŠุด ู‚ูŠู…ุฉ ุงู„ู€ current for T ุฃู‚ู„ ู…ู† T<sub>0</sub>ุŸ ุตูุฑ
275
00:21:18,760 --> 00:21:23,220
ุตูุฑุŸ ู…ุง ุนุดุงู† ุฃู‚ูˆู„ ู„ูƒู… ุฃุญุท ู„ูƒู… ุตูุฑ ููŠ ุงู„ุงู…ุชุญุงู†ุŒ
276
00:21:23,220 --> 00:21:27,640
ู‚ุฏ ุฅูŠุด ูƒุงู†ุช ู‚ูŠู…ุชู‡ุŸ ู‡ูŠ ู‚ุฏุงู…ูƒ ููŠ ุงู„ุฏูุชุฑุŒ for T ุฃู‚ู„ ู…ู†
277
00:21:27,640 --> 00:21:32,740
T<sub>0</sub>ุŒ ุฏู‡ ุฅูŠุด ูƒุงู†ุช ู‚ูŠู…ุชู‡ุŸ ุฅูŠุด ุจูŠุณุงูˆูŠุŸ for T ุฃู‚ู„ ู…ู† ..
278
00:21:32,740 --> 00:21:42,560
I<sub>L</sub>(t) I<sub>L</sub> I<sub>S</sub> I<sub>S</sub> I<sub>S</sub> ู‡ูŠุณุงูˆูŠ I<sub>S</sub>ุŒ I<sub>L</sub> ูƒุงู†ุช for T ุฃู‚ู„ ู…ู† T<sub>0</sub>
279
00:21:42,560 --> 00:21:48,020
ุณุงุจู‚ุฉุŒ ุจูŠุณุงูˆูŠ I<sub>S</sub> ุทุจ ู„ูˆ ุฃู†ุง ุฃุฌูŠุช ู…ู† ู‡ุฐุง ุงู„ุทุฑู ู‡ุชุจุฏุฃ
280
00:21:48,020 --> 00:21:52,800
ุจุฑุถู‡ ุนู† T<sub>0</sub> ุจู€ I<sub>S</sub>ุŒ I<sub>L</sub> at zeroุŒ ุจุนุฏูŠู† ุฅู† T increase
281
00:21:52,800 --> 00:21:57,000
ุงูŠุด ุจูŠุตูŠุฑ ู„ู€ I ุงู„ู„ูŠ ุจุชู‚ู„ ู„ุฃู† ุงุญู†ุง ุนุงุฑููŠู† E to the
282
00:21:57,000 --> 00:22:00,660
minus infinity ุจุชุฑูˆุญ ู„ู„ุตูุฑ ูุจุงู„ุชุงู„ูŠ ุจุฒูŠุฏ ุงู„ู€ T ุนู„ู‰ ุงู„
283
00:22:00,660 --> 00:22:05,480
T axis ู‡ุฐูŠ ู‡ุชุฑูˆุญ ู„ู„ zero ุฅุฐุง ุงุญู†ุง ู‡ูŠุจุฏุฃ ู…ู† ู‚ูŠู…ุฉ ุงู„ู€
284
00:22:05,480 --> 00:22:09,020
IS ูˆูŠู‚ู„ ู„ูˆูŠู† ู„ู„ zero ู‡ุฐุง ู‡ูˆ ุงู„ู€ natural response
285
00:22:09,020 --> 00:22:14,780
ูƒู†ุชูˆุง ุชุณู…ูˆู‡ ุฃู†ุชู… ุงู„ู€ discharging ุตุญุŸ ู„ุฃู†ู‡ ุชูุฑูŠุบ
286
00:22:14,780 --> 00:22:18,900
ุดุญู†ุฉุŒ ุชูุฑูŠุบ ุดุญู†ุฉ ูŠุนู†ูŠ ู‡ูˆ ุงุชุฎุฐู‘ุช ููŠู‡ ุทูŠุงุฑ IS ู„ู…ุง
287
00:22:18,900 --> 00:22:24,240
ูƒุงู† ููŠู‡ ุงู„ู€ source ูุตู„ุช ุงู„ู€ source ุตุงุฑ ู„ู‡ ุชูุฑูŠุบ ุทุจ ู‡ูŠ
288
00:22:24,240 --> 00:22:26,960
ุญุงุฌุฉ ูˆุงุญุฏุฉุŒ ุงู„ุญุงุฌุฉ ุงู„ุซุงู†ูŠุฉ ุทุจุนุง ุงุญู†ุง ู„ุงุญุธู†ุง ุณูˆุงุก
289
00:22:26,960 --> 00:22:29,500
ุจุฏุฃุช ู…ู† ุงู„ุดู…ุงู„ ูˆู„ุง ู…ู† ุงู„ูŠู…ูŠู†ุŒ ู…ู† ุงู„ูŠู…ูŠู† ุญุทูŠุชูŠู‡
290
00:22:29,500 --> 00:22:33,120
ุจุชุณุงูˆูŠ zero ู‡ูŠูƒูˆู† IL ุจุชุณุงูˆูŠ IL initial ู„ูŠู‡ ูƒู…ุซุงู„
291
00:22:33,120 --> 00:22:37,980
ุจุชุณุงูˆูŠ IS ุตุญุŸ ู…ู† ุงู„ุดู…ุงู„ ุนู„ู‰ ุทูˆู„ ุงุญู†ุง ุญุณุจู†ุงู‡ุง ู…ู†
292
00:22:37,980 --> 00:22:42,110
ุงู„ุฏุงุฆุฑุฉ ุฃู†ู‡ุง ุจุชุณุงูˆูŠ IS ูˆุงู„ู€ current ู‡ูŠู‚ู„ ู„ุญุฏ ุงู„ู€
293
00:22:42,110 --> 00:22:46,210
zero ุทุจ ู‚ุงุฑุฆ ุงู„ุฃู‚ู„ ุฅูŠุด ุชุงู†ูŠ ู„ู†ุง ู†ู‚ุฑุฃ ุงู„ุฃู‚ู„ุŸ ุงุญู†ุง
294
00:22:46,210 --> 00:22:48,610
ุงู„ู€ exponential ู‡ุฏูˆู„ ู„ู…ุง ุจู†ุญุณุจู‡ู… ููŠ ุงู„ู€ calculator
295
00:22:48,610 --> 00:22:52,270
ู…ุงุดูŠ ุจู†ุญุท ุฑู‚ู… ุนู„ู‰ ุงู„ู€ calculator ูˆู„ุง ุจู†ุนุทูŠู‡ unitุŒ
296
00:22:52,270 --> 00:23:00,170
ู„ุฐุง ู‡ุฐุง ูƒู„ู‡ ู„ุงุฒู… ูŠูƒูˆู† ู…ุงู„ู‡ unit lessุŒ ู…ุนู†ุงู‡ ุฃู†ู‡ ..
297
00:23:00,170 --> 00:23:09,960
ู…ุนู†ุงู‡ L ุนู„ู‰ R ู‡ูˆ ุงู„ูˆู‚ุช ูˆุณุฃุณู…ูŠู‡ time constant ู„ุฃู† L
298
00:23:09,960 --> 00:23:13,900
ู‚ูŠู…ุฉ ูˆ R ู‚ูŠู…ุฉ ูุนุทูŠู†ูŠ ุฑู‚ู… ุซุงุจุช ูุณุฃุณู…ูŠู‡ time
299
00:23:13,900 --> 00:23:17,730
constant ุฅูŠุด ูุงุฆุฏุฉ ุงู„ู€ time constantุŸ ุฎู„ู‘ูŠู†ูŠ ุฃุฑุฌุน
300
00:23:17,730 --> 00:23:22,510
ู„ู‡ุฐู‡ ุงู„ุฑุณู…ุฉ ูˆุฃุฌูŠุจ ู‚ูŠู…ุฉ ุงู„ุชูŠุงุฑ il of t ุนู†ุฏ
301
00:23:22,510 --> 00:23:26,070
different instancesุŒ ุนู†ุฏ ู„ุญุธุงุช ู…ุฎุชู„ูุฉ ุฃุจุฏุฃ ููŠ
302
00:23:26,070 --> 00:23:29,810
ุงู„ู„ุญุธุฉ ุงู„ู„ูŠ t ุจุชุณุงูˆู‰ tau ูŠุนู†ูŠ t ุจุชุณุงูˆู‰ tauุŒ ูˆุฅูŠุด
303
00:23:29,810 --> 00:23:34,770
ุจูŠุตูŠุฑ ุงู„ู€ ilุŸ ุจุชุตูŠุฑ il of 0 e to the minus t ุณุงุฑุฉ
304
00:23:34,770 --> 00:23:42,970
tauุŒ ู‡ูŠ ุฃู†ูŠ ุจู‚ุฏุฑ ุฃูƒุชุจู‡ุง i l of t ุชุณุงูˆู‰ il of 0 e to
305
00:23:42,970 --> 00:23:47,650
the minus t ุนู„ู‰ tau ู„ุฃู† l ุนู„ู‰ r ุฅุณู…ู‡ุง tau ุนู† ุชูŠ
306
00:23:47,650 --> 00:23:51,970
ุจุชุณุงูˆูŠ ุชุงูˆุŒ ุฅูŠุด ุจุชุตูŠุฑ E to the minus ูˆุงุญุฏุŸ ุฅูŠุด
307
00:23:51,970 --> 00:23:57,670
ุจุชุณุงูˆูŠ ู‡ุงูŠ ุงู„ู‚ูŠู…ุฉุŸ O point ุชู„ุงุชุฉ ุณุจุนุฉ I L at zero
308
00:23:57,670 --> 00:24:03,910
ุจุฌุนู„ ุฑุงุณู†ุง ุนู† ุชูŠ ุจุชุณุงูˆูŠ ุชุงูˆ ู‚ูŠู…ุฉ ุงู„ุชูŠุงุฑ ู‚ู„ุช ู…ู† I S
309
00:24:03,910 --> 00:24:10,510
ู„ู€ 37% ู…ู† ู‚ูŠู…ุชู‡ุง ู‡ุฐุง
310
00:24:10,510 --> 00:24:17,730
ุงู„ู„ูŠ ู‡ูŠ I L at zero ูˆุตู„ุช ู„ู€ 37% ู…ู† ู‚ูŠู…ุฉ ุชุงูˆ ุนู†ุฏ
311
00:24:17,730 --> 00:24:23,010
ุจุฏุงูŠุฉ ุงู„ูุตู„ ู‡ู†ุง ุงุญู†ุง ูุตู„ู†ุง ุงู„ู€ source ุนู†ุฏ ุชุงูˆ ู‚ุฏ
312
00:24:23,010 --> 00:24:29,430
ู†ุฒู„ุช ู„ู€ 37% ู„ูˆ ุฃุฎุฏุช ุงุซู†ูŠู† ุชุงูˆ ู‡ู„ุงู‚ูŠู‡ุง IL at zero E
313
00:24:29,430 --> 00:24:35,930
to the minus 2 ู‡ูŠ ุชู‚ุฑูŠุจุง 0.1ุŒ ูŠู…ูƒู† 5 ูุฅุซู†ูŠู† ุชุงูˆ
314
00:24:35,930 --> 00:24:40,650
ู‡ุชู‚ู„ ุฃูƒุซุฑ ุชู„ุงุชุฉ ุชุงูˆ ู‡ุชู‚ู„ ุฃูƒุซุฑ ูˆุฃูƒุซุฑ
315
00:24:44,540 --> 00:24:49,840
ูˆู‡ูƒุฐุง ู‡ู†ุนุฑู ุจุฅู† ุงู„ู€ long-time ุนุจุฑ ุนู†ู‡ ู„ู…ุง ุฃุญูƒูŠ
316
00:24:49,840 --> 00:24:52,420
ูƒู„ู…ุฉ long-time long-time ู‚ุฏุงุด ู…ู„ุงูŠูŠู† ุงู„ุณู†ูŠู†ุŸ ู„ุฃ
317
00:24:52,420 --> 00:24:55,680
ุทุจุนุง ุงู„ู€ long-time ู‡ูŠ ุงู„ู„ุญุธุงุช ุงู„ู„ูŠ ุจุชุฎู„ูŠู‡ุง ุชูˆุตู„
318
00:24:55,680 --> 00:24:59,720
ู„ู„ู‚ูŠู…ุฉ ุจุชุงุนุชู‡ุง ุงู„ู„ูŠ ู‡ูŠ ุงู„ zero ูˆุฃู†ุง ุดุงูŠูุฉ ุนู†ุฏ 3
319
00:24:59,720 --> 00:25:04,580
ูˆู„ุง ุนู†ุฏ 4 ู‚ุฑุจุช ูƒุซูŠุฑ ู…ู† ุงู„ zero ู‡ู†ูƒุชููŠ ุจุฅู† T ุฃูƒุจุฑ
320
00:25:04,580 --> 00:25:09,980
ู…ู† ุฃูˆ ุชุณุงูˆูŠ ุฎู…ุณุฉ tau ุนุดุงู† ุฃุนุชุจุฑู‡ุง long-time ุจูƒููŠู†ูŠ
321
00:25:10,610 --> 00:25:14,470
ูŠุนู†ูŠ ุฅุฐุง ู…ุฑู‘ ุฒู…ู† ู…ู‚ุฏุงุฑู‡ ุฎู…ุณ ุชุงูˆ ุจู‚ูˆู„ ุนู†ู‡ long time
322
00:25:14,470 --> 00:25:20,150
ูˆุงุถุญุŸ ุงู„ุชุงูˆ ู…ูŠู† ู‡ูŠ L ุนู„ู‰ R ู„ู…ุง ู†ุดูˆู ุฃู…ุซู„ ู‡ู†ู„ุงู‚ูŠ L
323
00:25:20,150 --> 00:25:23,970
ุนู„ู‰ R ู‡ุชุนุทูŠู†ุง milliseconds ูŠุนู†ูŠ ูƒู„ู‡ุง ุนู„ู‰ ุจุนุถู‡ุง ู„ุณู‡
324
00:25:23,970 --> 00:25:27,090
milliseconds ุฅุฐุง ุฃู†ุชู… ุชุฐูƒุฑูˆู† ู„ูˆ ุฃุฎุฐุชูˆู‡ุง ุงู„ุชุฌุฑุจุฉ
325
00:25:27,090 --> 00:25:29,750
ู‡ุฐู‡ ุจูŠุนู…ู„ dischargingุŒ dischargingุŒ dischargingุŒ
326
00:25:29,750 --> 00:25:33,250
discharging ุนู„ู‰ ุฃุณู„ูˆุจ ุงู„ุงุณูƒูˆุจ ุจุงู„ุนุฌู„ ูˆู„ุง ุฃุฎุฐุชูˆู‡ุง
327
00:25:33,250 --> 00:25:39,050
ููŠ ุงู„ู…ุฏุฑุณุฉ ูˆู„ุง ููŠ ุงู„ููŠุฒูŠุงุก ูŠุนู†ูŠ ู‡ูŠ ุงู„ู‚ุถูŠุฉ ุงู„ู…ูุชุฑุฉ
328
00:25:39,050 --> 00:25:44,190
ุงู„ุฒู…ู†ูŠุฉ ู‚ุตูŠุฑุฉ ุฌุฏุง ูˆู…ูŠู† ุจุชุญูƒู… ููŠู‡ุง ู‚ูŠู… ุงู„ู€ OR ุงู„ู€ OR
329
00:25:44,190 --> 00:25:48,230
ู‡ู… ุงู„ู„ูŠ ุจูŠุนุทูˆู†ูŠ ู‚ูŠู…ุฉ tau ุฎู…ุณ ุฃุถุนุงู tau ุฃู†ุง ุจุนุชุจุฑู‡ุง
330
00:25:48,230 --> 00:25:52,590
long time ููŠ
331
00:25:52,590 --> 00:25:57,670
ุฃูŠ ุงุณุชูุณุงุฑ ู„ุญุฏ ู‡ู†ุงุŸ ุตุฏุฑุŒ ู†ุญุท ุงู„ู€ power ูˆุจุนุฏูŠู† ุงู„ู„ูŠ
332
00:25:57,670 --> 00:26:01,710
ู‚ุงู„ ู‚ุงุฏุฑ ู†ุงุฎุฐ ุงู„ุฃู…ุซู„ุฉ ุนู„ู‰ ุงู„ุณุฑูŠุน ู†ุนู…ู„ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€
333
00:26:01,710 --> 00:26:06,880
power ุงู„ู€ power ู„ู€ ุฃูŠ element ุฅูŠุด ุจุชุณุงูˆูŠุŸ ู…ุชุฐูƒุฑูŠู† ุงู„ู€
334
00:26:06,880 --> 00:26:08,960
power ู„ู€ ุฃูŠ elementุŸ ุฅุฐุง ุฅูŠุด ุนุฑูู†ุง ุงู„ู€ power ู„ู€ ุฃูŠ
335
00:26:08,960 --> 00:26:13,160
elementุŸ I ููŠ VุŒ ุจุฑุงููˆ ุนู„ูŠูƒู…ุŒ ุฅุฐุง ุงู„ู€ power ู„ู€ ุงู„ู€
336
00:26:13,160 --> 00:26:15,820
inductor ู…ุด ู‡ูŠุญู„ูุŒ I ููŠ VุŒ ุงู„ู€ plus ูˆุงู„ู€ minus
337
00:26:15,820 --> 00:26:19,260
ุจุนุชู…ุฏ ุนู„ู‰ ุนู„ุงู‚ุฉ ุจูŠู† ุงู„ู€ current ูˆุงู„ู€ voltage ูˆุงู„ู€
338
00:26:19,260 --> 00:26:23,500
energy ู…ู…ูƒู† ุฃุฌูŠุจู‡ุงุŒ ุงู„ู€ energy ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุงู„ู€
339
00:26:23,500 --> 00:26:30,250
integral ู„ู€ BDTุŒ ู„ุฃู† ุจูŠู‡ ุฅูŠุด ุจุชุณุงูˆูŠุŸ TE by DT ุทุจ
340
00:26:30,250 --> 00:26:33,490
ุฎู„ู‘ูŠู†ูŠ ุฃูƒุชุจ ุงู„ู€ power ุจุณ ุจุทุฑูŠู‚ุฉ ุซุงู†ูŠุฉ P L of T
341
00:26:33,490 --> 00:26:37,550
ุฎู„ู‘ูŠู†ูŠ ุดูˆูŠุฉ ุฃู‡ู… ุงู„ุฅู†ุดุงุฑุฉ plus minus ุฃู†ุง ุนู†ุฏูŠ ุจู‚ุฏุฑ
342
00:26:37,550 --> 00:26:41,330
ุฃูƒุชุจ ู„ู„ู€ Inductor ุงู„ู€ voltage ุจุงู„ุฏู„ุงู„ุฉ ุฏูŠ ู‚ุงุนุฏุด ุจุณูˆุก L
343
00:26:41,330 --> 00:26:46,090
DI by DT ู…ุน ุงู„ู…ุฑุงุนุงุฉ ุฅู†ู‡ ููŠู†ุง minus ูˆplus minus
344
00:26:46,090 --> 00:26:49,110
ุจู‚ุงู„ ุฅูŠุด ู‡ุชูƒูˆู† ู„ูˆ ุฃู†ุง ุจุชุฎู„ุต ู…ู† ุงู„ู€ volt ุฅูŠุด ู‡ุชุตูŠุฑ
345
00:26:49,110 --> 00:26:55,450
ุนู†ุฏูŠุŸ L I D I by DT ู„ูˆ ูƒุงู†ุช ุงู„ุนู„ุงู‚ุฉ plus ู‡ุชูƒูˆู†
346
00:26:55,450 --> 00:26:59,850
plus ุฃูˆ ุณุงู„ุจ ููŠ ุงู„ุญุงู„ุชูŠู† ู‡ุชุทู„ุน ุงู„ุนู„ุงู‚ุฉ ุชุงุฎุฏ Z L I D
347
00:26:59,850 --> 00:27:01,210
I by DT ุงู„ู€ bar
348
00:27:05,010 --> 00:27:08,730
ุฃูˆ ู…ู…ูƒู† ุฃุฎู„ุต ู…ู† ู…ูŠ ู…ู† ุงู„ุชูŠุงุฑ ุนุดุงู† ุงู„ุงูƒุชูˆุจุฑุชูŠุฑ ุฏู‡
349
00:27:08,730 --> 00:27:14,030
ุชู„ููˆุชุด ู‡ูŠูƒูˆู† 1 ุนู„ู‰ L ุงู„ุชูƒุงู…ู„ ู„ู€ VDT plus ุงู„ู€ initial
350
00:27:14,030 --> 00:27:18,090
current ุตุญุŸ ุญุทูˆู‡ุง ุฏู‡ ุงู„ุญูƒู…ุฉ ุนู„ู‰ ุงู„ุฏูƒุชูˆุฑ ูŠุนู†ูŠ ุจู‚ุฏุฑ
351
00:27:18,090 --> 00:27:24,390
ุฃุนูŠุฏ ูƒุชุงุจุฉ ู‡ุงูŠ ุนู„ู‰ ุดูƒู„ V ุนู„ู‰ L ููŠ ุงู„ู€ integral ู„ู€ V
352
00:27:26,950 --> 00:27:32,470
ุนู„ู‰ ุงู„ุฃู‚ู„ integral ู„ู€ VDT the initial current ูƒู„ู‡
353
00:27:32,470 --> 00:27:36,970
ู…ุถุฑูˆุจ ู…ูŠุถ ููŠ V ู‡ุฐุง ุงู„ู€ form ู‡ุฐุง ุงู„ู€ form ุจู†ุณู…ูŠู‡
354
00:27:36,970 --> 00:27:39,910
differential form ูŠุนู†ูŠ ู…ู…ูƒู† ุชู†ุณูŠู‚ู„ูŠ ุนู† ุงู„ู€
355
00:27:39,910 --> 00:27:43,970
differential form ู„ู„ู€ power ุฃูˆ ุงู„ู€ integral form ู‡ุฐุง
356
00:27:43,970 --> 00:27:48,740
ุงู„ู€ integral form ู…ู† ุดูƒู„ู‡ ูŠุนู†ูŠู‡ุฐุง ุนุดุงู† ููŠู‡ integral
357
00:27:48,740 --> 00:27:51,680
ูˆู‡ุฐุง ุนุดุงู† ููŠู‡ differential ุทุจ ุฃู†ุง ู„ู…ุง ุจุฏู‡ ุฃุญุณุจ ุงู„ู€
358
00:27:51,680 --> 00:27:54,800
energy ุฃู†ุง ุฃู‚ูˆู„ ุฃุณู‡ู„ ุฃุฎุฏ ุงู„ู€ differential ูˆู„ุง ุงู„ู€
359
00:27:54,800 --> 00:27:57,100
integralุŸ ุฃุฎุฏ integral ุงู„ู€ integral ูˆู„ุง integral
360
00:27:57,100 --> 00:28:00,040
ุงู„ู€ differentialุŸ ุทุจุนุง ุงู„ู€ integral .. ู†ุนู… ูŠุง ุฃู†ุชูŠ
361
00:28:00,040 --> 00:28:05,540
ูˆูŠู† ุงุญู†ุงุŸ ููŠ ุงู„ุณูˆู‚ ูˆู„ุง ูˆูŠู†ุŸ ู†ูุน ุงู„ุดูƒู„ ูˆุงุญู†ุง
362
00:28:05,540 --> 00:28:08,780
ุจู†ุณุฌู„ ู‚ุงุนุฏูŠู† ูŠุนู†ูŠ ูˆููŠ ุฒู…ุงู†ูŠ ุงู„ู„ูŠ ูƒุงู†ูˆุง ุจูŠุญุถุฑูˆุง ู‡ุงูŠ
363
00:28:08,780 --> 00:28:13,130
ุงู„ู…ุญุงุถุฑุงุช ูŠุนู†ูŠ ุฃู† ุงู„ู€ energy ู…ุด ุจุชุณุงูˆูŠ ู‚ู„ู†ุง ุฃุณู‡ู„ ุฃู‡
364
00:28:13,130 --> 00:28:19,090
ุฃุฎุฏ mi ุงู„ู€ differential ู‡ู‚ูˆู„ integral ู„ู€ L I D I by
365
00:28:19,090 --> 00:28:23,790
DT ููŠ DT ู‡ุฏูˆู„ ูƒู„ู‡ู… ุจุชุทูŠุฑูˆุง ู…ุน ุจุนุถ L ุจุชุทูŠุฑ ุนู„ู‰ ุจุฑุง
366
00:28:23,790 --> 00:28:29,590
ู‡ุชูƒูˆู† I ุชุฑุจูŠุน ุนู„ู‰ ุงุซู†ูŠู† ู‡ุงู„ู€ energy ุนู†ุฏ ุฃูŠ ู„ุญุธุฉ T
367
00:28:29,590 --> 00:28:34,170
ู…ุซู„ุง ู…ู† T ู†ุถ ู„ู€ T ู‡ู…ุนูˆุฏ ู…ู† T ู†ุถ ู„ู€ T
368
00:28:55,460 --> 00:29:00,080
ุงู„ู„ู‚ุงุก ุงู„ู‚ุงุฏู… ุฅู† ุดุงุก ุงู„ู„ู‡ ู‡ู†ุงุฎุฏ ู…ุซุงู„ ู…ู† ุงู†ุนู…ู‚
369
00:29:00,080 --> 00:29:03,020
ููŠ ุงู„ุฃููƒุงุฑ ุงุชุนู„ู…ู†ุงู‡ุง ุงู„ูŠูˆู… ู†ุดูˆู ูƒูŠู ุจุฏูŠ ุงุณุชุฎุฏู… ู‡ุฐู‡ ุงู„ู€
370
00:29:03,020 --> 00:29:05,940
formula ุงู„ู„ูŠ ุงุดุชุบู„ู†ุงู‡ุง ู…ุน ุจุนุถ ุนุดุงู† ุฃุญู„ู„ ุงู„ุฏุงุฆุฑุฉ
371
00:29:05,940 --> 00:29:08,200
ุจุฏูˆู† ู…ุง ุฃู‚ุนุฏ ุฃุดุชุบู„ู‡ุง ูŠุนู†ูŠ ุจุฏูˆู† ู…ุง ุฃุฑุฌุน ู„ู„ู€
372
00:29:08,200 --> 00:29:10,580
differential equation ูˆุฃุดุชุบู„ู‡ุง ุฃุทูˆู„ ุจุฏูŠ ุงุณุชุฎุฏู…
373
00:29:10,580 --> 00:29:15,720
ุงู„ุฌูˆุงุจ ุงู„ู†ู‡ุงุฆูŠ ูˆุฃุญู„ ู…ุน ุจุนุถ ู…ุซุงู„ ูˆู†ุดูˆู ูƒูŠู ู†ุฌูŠุจ
374
00:29:15,720 --> 00:29:18,920
ู‚ูŠู… ุงู„ุชูŠุงุฑ ุงู„ู…ุงุฑ ููŠ ุงู„ู€ inductor ููŠ ุญุงู„ุฉ ุงู„ู€ natural
375
00:29:18,920 --> 00:29:22,480
response ูŠุนุทูŠูƒู… ุงู„ุนุงููŠุฉ ูˆู…ูˆูู‚ูŠู† ููŠ ุงู„ุงู…ุชุญุงู†ุงุช ุฅู†
376
00:29:22,480 --> 00:29:22,740
ุดุงุก ุงู„ู„ู‡