23 圖中電路，若輸出（Vo）與輸入（Vi）之電壓增益為 -4，則其輸入端之等效電容值（Cin）為何？ (A) 0.2 pF (B) 1 pF (C) 25 pF (D) 5 pF

問題詳情

23 圖中電路，若輸出（Vo）與輸入（Vi）之電壓增益為 -4，則其輸入端之等效電容值（Cin）為何？

(A) 0.2 pF
(B) 1 pF
(C) 1.25 pF
(D) 5 pF

參考答案

答案：D
難度：適中0.519231
統計：A(7),B(8),C(5),D(27),E(0)

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