Q.1     Op-amp uses?
A)    Negative feedback
B)    Positive feedback
C)    No feedback
D)    None of these
Ans : A

Q.2    Op-amp uses?
A)    Only + ve Voltage
B)    Only - ve Voltage
C)    Dual supply, i.e., ± Vcc
D)    None of these
Ans : C

Q.3    Op-amp is a /an?
A)    Differential amplifier
B)    Oscillator
C)    Rectifier
D)    None of these
Ans : A

Q.4    Op-amp operates at?
A)    Very high voltage (~ 10 mili Volt)
B)    High voltage (~ 100 KV)
C)    Medium voltage (~ 220 Volt)
D)    Low voltage (~ 12 Volt)
Ans : D

Q.5    Determine the output voltage for this circuit with a sinusoidal input of 2.5 mV?

A)    - 0.25 V
B)    - 0.125 V
C)    0.25 V
D)    0.125 V
Ans : B

Q.6    Slew rate is defined as the?
A)    Maximum rate of change of output voltage with time
B)    Minimum rate of change of output voltage with time
C)    Moderate rate of change of output voltage with time
D)    None of these
Ans : A

Sources