Q.1 A differential amplifier amplifies the __________ between two input signals?
A) Sum
B) Difference
C) Multiplication
D) None of these
Ans : B
Q.2 Op-Amp is a/an?
A) Differential amplifier
B) Oscillator
C) Rectifier
D) None of these
Ans : A
Q.3 Output impedance of an ideal Op-amp is ?
A) Infinite
B) Very High
C) Low
D) Zero
Ans : D
Q.4 CMRR of an ideal Op-amp is?
A) Infinite
B) Very High
C) Low
D) Very Low
Ans : A
Q.5 Slew rate of an ideal Op-amp is?
A) Infinite
B) Very High
C) Low
D) Very Low
Ans : A
Q.6 Op-amp is a?
A) Voltage-controlled voltage source (VCVS)
B) Voltage-controlled current source (VCCS)
C) Current-controlled voltage source (CCVS)
D) Current-controlled current source (CCCS)
Ans : A
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