# Integrator – 1 MCQ’s

This set of Linear Integrated Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Integrator – 1″.

1. Find the output voltage of the integrator
a) Vo = (1/R×CFt0 Vindt+C
b) Vo = (R/CFt0 Vindt+C
c) Vo = (CF/R)×t0 Vindt+C
d) Vo = (R×CFt0 Vindt+C

2. Why an integrator cannot be made using low pass RC circuit?
a) It require large value of R and small value of C
b) It require large value of C and small value of R
c) It require large value of R and C
d) It require small value of R and C

3. The circuit in which the output voltage waveform is the integral of the input voltage waveform is called
a) Integrator
b) Differentiator
c) Phase shift oscillator
d) Square wave generator

4. How a perfect integration is achieved in op-amp?
a) Infinite gain
b) Low input impedance
c) Low output impedance
d) High CMRR

5. The frequency at which gain is 0db for integrator is
a) f=1/(2πRFCF)
b) f=1/(2πR1CF)
c) f=1/(2πR1R1)
d) f=(1/2π)×(RF/R1)

6. Determine the lower frequency limit of integration for the circuit given below.

a) 43.43kHz
b) 4.82kHz
c) 429.9kHz
d) 4.6MHz

7. The op-amp operating in open loop result in output of the amplifier to saturate at a voltage
a) Close to op-amp positive power supply
b) Close to op-amp negative power supply
c) Close to op-amp positive or negative power supply
d) None of the mentioned

8. Why practical integrator is called as lossy integrator?
a) Dissipation power
b) Provide stabilization
c) Changes input
d) None of the mentioned