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34 圖(a)為一個半波整形電路,圖(b)為其輸出 Vo對輸入Vi曲線。若運算放大器為理想, 二極體D之導通電壓為 0.7V,則圖(b)的臨 限電壓Vt值約為何? (A) 0V (B) 0.7V (C
問題詳情
34 圖(a)為一個半波整形電路,圖(b)為其輸出 Vo對輸入Vi曲線。若運算放大器為理想, 二極體D之導通電壓為 0.7V,則圖(b)的臨 限電壓Vt值約為何?
(A) 0V
(B) 0.7V
(C) 1V
(D) 1.7V
參考答案
答案:A
難度:適中0.5
統計:A(20),B(20),C(0),D(0),E(0)
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