[考題] 基本電學
1.第九題 http://ppt.cc/nFOi 答案(a)
FF=有效值/平均值
我的算式:Vrms=Vm/√2 Vavg=2Vm/2=Vm
故F.F.=1/√2 請問我的算法哪裡有誤呢?
2.第23題 http://ppt.cc/mPPf 答案(a)
我算出R=6 ,再以t=1到2s △t=1s i=20A
-> 6(1-e-(1/ζ))-6(1-e-(2/ζ))=20A
^^^
指數
這算式算不出ζ,這題該怎麼算呢?
有請各位高手不吝指教了 感謝
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◆ From: 124.8.136.112
推
04/13 20:11, , 1F
04/13 20:11, 1F
推
04/13 20:44, , 2F
04/13 20:44, 2F
對~是23題 忘了打 不好意思
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04/13 20:46, , 3F
04/13 20:46, 3F
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04/13 20:47, , 4F
04/13 20:47, 4F
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04/13 20:52, , 5F
04/13 20:52, 5F
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04/13 21:04, , 6F
04/13 21:04, 6F
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04/13 21:15, , 7F
04/13 21:15, 7F
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04/13 21:18, , 8F
04/13 21:18, 8F
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04/13 21:20, , 9F
04/13 21:20, 9F
※ 編輯: MONINI 來自: 124.8.140.94 (04/13 21:29)
※ 編輯: MONINI 來自: 124.8.140.94 (04/13 21:30)
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04/13 21:32, , 10F
04/13 21:32, 10F
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04/13 21:40, , 11F
04/13 21:40, 11F
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04/13 21:50, , 12F
04/13 21:50, 12F
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04/13 22:00, , 13F
04/13 22:00, 13F
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04/13 22:23, , 14F
04/13 22:23, 14F
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04/13 22:42, , 15F
04/13 22:42, 15F
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04/13 23:26, , 16F
04/13 23:26, 16F
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04/13 23:49, , 17F
04/13 23:49, 17F
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04/14 03:43, , 18F
04/14 03:43, 18F
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10/11 22:16, , 19F
10/11 22:16, 19F
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