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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

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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

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Question 3

op-amp can operate on?

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

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Question 4

An op-amp consists of ________ input terminals.

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

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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

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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

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Question 7

Op-amps are of ______ types.

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

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Question 8

Which is not the internal circuit of operational amplifier?

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

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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

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Question 10

Change in value of common mode input signal in differential pair amplifier make

A. Slight change in collector voltage
B. Collector voltage decreases to zero
C. Change in voltage across collector
D. None of the above

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