• Electrical Engineering Reference

# Operational Amplifier MCQ Questions And Answers - Linear Integrated Circuits

Operational Amplifier MCQs : This section focuses on the "Operational Amplifier" in Linear Integrated Circuits. These Multiple Choice Questions (MCQs) should be practiced to improve the Linear Integrated Circuits skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

Operational Amplifier, also called as an ?

A. OA
B. O-Amp
C. Op-A
D. Op-Amp

Question 2

An op-amp is a direct coupled high gain amplifier.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 3

op-amp can operate on?

A. AC signals
B. DC signals
C. AC and DC signals
D. VC signals

Question 4

An op-amp consists of ________ input terminals.

A. 1
B. 2
C. 3
D. 4

Question 5

The voltage present at the output of an op-amp when its differential input voltage is zero is called as?

A. Open loop voltage gain
B. Common Mode Rejection Ratio
C. Output offset voltage
D. Closed offset voltage

Question 6

CMRR can be represented as?

A. the addition of the closed loop differential gain and the common mode gain
B. the multiplication of the closed loop differential gain and the common mode gain
C. the subtraction of the closed loop differential gain and the common mode gain
D. the ratio of the closed loop differential gain and the common mode gain

Question 7

Op-amps are of ______ types.

A. 2
B. 3
C. 4
D. 5

Question 8

Which is not the internal circuit of operational amplifier?

A. Differential amplifier
B. Clamper
C. Level translator
D. Output driver

Question 9

To increase the value of CMRR, which circuit is used to replace the emitter resistance Re in differential amplifier?

A. Resistor in parallel with Re
B. sistor in series with Re
C. Diode in parallel with Re
D. Constant current bias