基本電學 - 考試
By Oliver
at 2013-04-03T13:47
at 2013-04-03T13:47
Table of Contents
http://ppt.cc/X05z
求R最大功率時電流為多少~答案是4A~
我自己算RTH是4 Vth=不知道怎麼算
最大功率RTH=R 電阻是8 這樣推答案VTH是32嗎?
http://ppt.cc/pS7W
求t=3ms時IL=?
我算出時間常數=7.5m,
一般來說大概都是整數吧?
是我算錯了嗎?
答案是0.379A
懇請高手幫忙
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