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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