电路如图所示，欲满足uO = -(ui1+ ui2) 的运算关系，则 R1，R2，RF 的阻值必须满足( )。[img=182x132]18031efbbc1ce51.jpg[/img]
A: R1 = R2 = RF
B: R1 = R2 =2RF
C: R1 = RF =2R2
D: 2R1 = RF =R2
A: R1 = R2 = RF
B: R1 = R2 =2RF
C: R1 = RF =2R2
D: 2R1 = RF =R2
举一反三
- 电路如图所示，欲满足uO = -(ui1+ ui2) 的运算关系，则 R1，R2，RF 的阻值必须满足( )。[img=182x132]18038f69f4b45fb.jpg[/img] A: R1 = R2 = RF B: R1 = R2 =2RF C: R1 = RF =2R2 D: 2R1 = RF =R2
- 电路如图所示，欲满足uO = -(ui1+ ui2) 的运算关系，则 R1，R2，RF 的阻值必须满足( )。[img=182x132]180389452eb3e66.jpg[/img] A: R1 = R2 = RF B: R1 = R2 =2RF C: R1 = RF =2R2 D: 2R1 = RF =R2
- 电路如图所示，欲满足uO = -(ui1+ ui2) 的运算关系，则 R1，R2，RF 的阻值必须满足( )。[img=182x132]180362989b97a26.jpg[/img] A: R1 = R2 = RF B: R1 = R2 =2RF C: R1 = RF =2R2 D: 2R1 = RF =R2
- 电路如图所示，欲满足uO = -(ui1+ ui2) 的运算关系，则 R1，R2，RF 的阻值必须满足( )。[img=182x132]180378cb8dc027d.jpg[/img] A: R1 = R2 = RF B: R1 = R2 =2RF C: R1 = RF =2R2 D: 2R1 = RF =R2
- 电路如图所示，欲满足uO = -(ui1+ ui2) 的运算关系，则 R1，R2，RF 的阻值必须满足( )。[img=182x132]180377c02c1077d.jpg[/img] A: R1 = R2 = RF B: R1 = R2 =2RF C: R1 = RF =2R2 D: 2R1 = RF =R2