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31. 如下圖所示電路,負載 Rx 端間之戴維寧等效電路之電壓及電阻分別為何?
問題詳情
31. 如下圖所示電路,負載 Rx 端間之戴維寧等效電路之電壓及電阻分別為何?
(A) 8V,2Ω
(B) 8V, 3Ω
(C) -8V,2Ω
(D) -8V,3Ω。
參考答案
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