99地方4等基本電學 - 考試
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By David
at 2013-06-02T21:18
at 2013-06-02T21:18
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
出處:99地特4等 基本電學
http://www.public.com.tw/prog/gavin/reference//rfile/FD-20101227122146-5CF.pdf
想請教第二題的第2小題,求戴維寧等效電路
解答裡面一開始就有一行 E= Eth + I x Rth此公式原理是什麼,看不大懂
我可以用我自已的方式:左邊推出i的式子,進一步代入右邊,求出V=-5
但R,不知道怎麼計算
是否有大大可以幫我解答,無論是解釋E= Eth + I x Rth,或者還有其他方式可以計算出
Rth
感謝!
--
出處:99地特4等 基本電學
http://www.public.com.tw/prog/gavin/reference//rfile/FD-20101227122146-5CF.pdf
想請教第二題的第2小題,求戴維寧等效電路
解答裡面一開始就有一行 E= Eth + I x Rth此公式原理是什麼,看不大懂
我可以用我自已的方式:左邊推出i的式子,進一步代入右邊,求出V=-5
但R,不知道怎麼計算
是否有大大可以幫我解答,無論是解釋E= Eth + I x Rth,或者還有其他方式可以計算出
Rth
感謝!
--
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