基本電學 問題 - 考試
By Lily
at 2013-10-11T11:17
at 2013-10-11T11:17
Table of Contents
[考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處
考題:http://ppt.cc/BCbb
圖3要求6Ω所消耗功率。用重疊定理來看的話,電流源流經6Ω電流是2A。
但電壓源所提供的電流應該是10V / (4+6)//(9+3),然後再用分流定理去求;
不過課本答案是直接以10/(4+6),感覺是直接把上三角形看成串聯?搞不懂,
麻煩各位高手解答,謝謝!
--
考題:http://ppt.cc/BCbb
圖3要求6Ω所消耗功率。用重疊定理來看的話,電流源流經6Ω電流是2A。
但電壓源所提供的電流應該是10V / (4+6)//(9+3),然後再用分流定理去求;
不過課本答案是直接以10/(4+6),感覺是直接把上三角形看成串聯?搞不懂,
麻煩各位高手解答,謝謝!
--
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考試
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