A. Ri=∞ ,A=∞ ,R0=0
B. Ri=0 ,A=∞ ,R0=0
C. Ri=∞ ,A=∞ ,R0=∞
D. Ri=0 ,A=∞ ,R0=∞
Related Mcqs:
- For an ideal op-amp, which of the following is true?
A. The differential voltage across the input terminals is zero
B. The current into the input terminals is zero
C. The current from output terminal is zero
D. The output resistance is zero - An ideal OP-AMP is an ideal______________?
A. Current controlled Current source
B. Current controlled voltage source
C. Voltage controlled voltage source
D. voltage controlled current source - Assume that the op-amp of the fig. is ideal. If Vi is a triangular wave, then V0 will be______________?
A. Square wave
B. Triangular wave
C. Parabolic wave
D. Sine wave - An ideal OP-AMP is an ideal__________?
A. Current controlled Current source
B. Current controlled Voltage source
C. Voltage controlled Voltage source
D. Voltage controlled Current source - Which of the following amplifier is used in a digital to analog converter?
A. Non inverter
B. Voltage follower
C. Summer
D. Difference amplifier - A non inverting closed loop op amp circuit generally has a gain factor______________?
A. Less than one
B. Greater than one
C. Of zero
D. Equal to one - A differential amplifier is invariably used in the i/p stage of all op-amps. This is done basically to provide the op-amps with a very high______________?
A. CMMR
B. Bandwidth
C. Slew rate
D. Open-loop gain - How many op-amps are required to implement this equation Vo = V1?
A. 4
B. 3
C. 2
D. 1 - For an op-amp having differential gain Av and common-mode gain Ac the CMRR is given by___________?
A. Av + Ac
B. Av / Ac
C. 1 + Av / AC.
D. Ac / Av - Differential amplifiers are used in______________?
A. Instrumentation amplifiers
B. Voltage followers
C. Voltage regulators
D. Buffers
