問題詳情

34 圖示理想運算放大器電路，若輸出電壓vO＝2(v1－v2)，則： 


(A)R1＝2kΩ、R2＝4kΩ、R3＝10kΩ、R4＝10kΩ
(B)R1＝1kΩ、R2＝2kΩ、R3＝5kΩ、R4＝10kΩ 
(C)R1＝1kΩ、R2＝2kΩ、R3＝3kΩ、R4＝4kΩ 
(D)R1＝2kΩ、R2＝3kΩ、R3＝3kΩ、R4＝8kΩ

參考答案

答案：B
難度：簡單0.795455
統計：A(4),B(35),C(0),D(3),E(0)