基本電學 - 考試
By Ursula
at 2013-05-04T02:56
at 2013-05-04T02:56
Table of Contents
http://ppt.cc/kSaG
此題答案為C
我的算法如下
Rth=4
20 20
Eth=0.2x----x5 + 8x---- = 7.2
25 25
-t/τ -3
IL= E/R* (1-e ) ; τ=L/R=7.5x10
IL = 7.2/4 * (1-0.67) = 0.59 (A)
請問哪裡有錯誤呀@__@, 感謝
--
此題答案為C
我的算法如下
Rth=4
20 20
Eth=0.2x----x5 + 8x---- = 7.2
25 25
-t/τ -3
IL= E/R* (1-e ) ; τ=L/R=7.5x10
IL = 7.2/4 * (1-0.67) = 0.59 (A)
請問哪裡有錯誤呀@__@, 感謝
--
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考試
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