Op-amp Integrator


Q.1     Refer to the given figure. This circuit is known as ?

A)    A non-inverting amplifier
B)    A differentiator
C)    An integrator
D)    A summing amplifier
Ans : C

Q.2    Refer to the given figure. A square-wave input is applied to this amplifier. The output voltage is most likely to be?

A)    A square wave
B)    A triangle wave
C)    A sine wave
D)    No output
Ans : B

Q.3    The ramp voltage at the output of an op-amp integrator?
A)    Increases or decreases at a linear rate
B)    Increases or decreases exponentially
C)    Is always increasing and never decreasing
D)    Is constant
Ans : A

Q.4    Refer to the given figure. If Vin = 5 V, the rate of change of the output voltage in response to a single pulse input is?

A)    15.2 mV / μS
B)    15.2 V / μS
C)    1.52 mV / μS
D)    1.52 V / μS
Ans : C

Q.5    An ideal Op-Amp is an ideal?
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 : C