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21.圖(三)之 OPA 為理想元件,甲同學使用直流電壓表測得輸出 Vo=+10V,乙同學重作該電路時,在所有數值不變下,卻誤將 OPA2 的二輸入端接反,此時若以直流電壓表測量輸出 Vo 是多少?
問題詳情
21.圖(三)之 OPA 為理想元件,甲同學使用直流電壓表測得輸出 Vo=+10V,乙同學重作該電路時,在所有數值不變下,卻誤將 OPA2 的二輸入端接反,此時若以直流電壓表測量輸出 Vo 是多少?
(A)+10V
(B)+15V
(C)-10V
(D)可能是+12V 或-12V
參考答案
答案:D
難度:適中0.608696
統計:A(3),B(3),C(3),D(14),E(0)
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