基本電學-戴維寧等效電路答案有誤? - 考試
By Christine
at 2014-04-09T13:15
at 2014-04-09T13:15
Table of Contents
[課業] 國考課業相關問題,非歷屆考題的討論,如學理觀念的釐清。
http://www.fotopu.com/img/1/567071-3.jpg
如上圖所示,個人算出來是 Vth=2V Rth=5歐姆。(已訂正)
但與答案不符,所以是答案本身有誤嗎
個人的計算方式:
∵Vth=Vth1+Vth2
又電壓源36V動作時,算出6歐姆的電壓=12V
電流源2A動作時,算出電流源兩端電壓=-10V
∴算出Vth=12+(-10)=2V
--
http://www.fotopu.com/img/1/567071-3.jpg
如上圖所示,個人算出來是 Vth=2V Rth=5歐姆。(已訂正)
但與答案不符,所以是答案本身有誤嗎
個人的計算方式:
∵Vth=Vth1+Vth2
又電壓源36V動作時,算出6歐姆的電壓=12V
電流源2A動作時,算出電流源兩端電壓=-10V
∴算出Vth=12+(-10)=2V
--
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考試
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