34 如圖所示電路,U1 為理想運算放大器。已知電阻 R1= 1 kΩ、R2 = 3 kΩ、R3 = 1 kΩ、R4 = 3 kΩ。當 vI1 = 3 V、
vI2 = 2 V 時,試求輸出端 vO的電壓約為多少?
(A) 3 V
(B) 1 V
(C) -1 V
(D)-3 V
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統計: A(11), B(6), C(16), D(132), E(0) #979467
統計: A(11), B(6), C(16), D(132), E(0) #979467
詳解 (共 1 筆)
#1196586
3
0