基本電學 節點電壓 - 考試
By Tom
at 2014-06-02T21:52
at 2014-06-02T21:52
Table of Contents
第11.12題,答案C.A
http://imgur.com/l3hgQm7
一開始看到這題直覺用節點電壓法來算
V2=2+V1,用節點法算出來好像跟答案不符合
用超節點算的話答案也不是
請問遇到這種要怎麼思考
謝謝
還有一題,第47題答案C
http://imgur.com/hssG3ud
請問算式這樣是否正確[10-10-(-20)-30]/5=-2
由左至右電流流向,不知道觀念是否正確
謝謝
--
http://imgur.com/l3hgQm7
一開始看到這題直覺用節點電壓法來算
V2=2+V1,用節點法算出來好像跟答案不符合
用超節點算的話答案也不是
請問遇到這種要怎麼思考
謝謝
還有一題,第47題答案C
http://imgur.com/hssG3ud
請問算式這樣是否正確[10-10-(-20)-30]/5=-2
由左至右電流流向,不知道觀念是否正確
謝謝
--
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