基本電學 問題 - 考試
By Kama
at 2013-10-14T10:32
at 2013-10-14T10:32
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/dxJv
如圖,書本解法是把左邊電壓源&電阻轉換成電流源&電組並聯後,以密耳門定理去求解。
我有疑問的是:不能把右邊電流源及電阻(2R)先轉成串聯再求解嗎?
2A與2R算出4V(+向上),所以總電阻是6R、總電壓12V,算出電流是2A,我知道這算法錯了
,但不知錯在哪,請高手解答,謝謝!
--
考題:http://ppt.cc/dxJv
如圖,書本解法是把左邊電壓源&電阻轉換成電流源&電組並聯後,以密耳門定理去求解。
我有疑問的是:不能把右邊電流源及電阻(2R)先轉成串聯再求解嗎?
2A與2R算出4V(+向上),所以總電阻是6R、總電壓12V,算出電流是2A,我知道這算法錯了
,但不知錯在哪,請高手解答,謝謝!
--
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考試
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