Analog Electronics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Analog Electronics, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Analog Electronics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Analog Electronics mcq questions that explore various aspects of Analog Electronics problems. Each MCQ is crafted to challenge your understanding of Analog Electronics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Analog Electronics MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Analog Electronics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Analog Electronics knowledge to the test? Let's get started with our carefully curated MCQs!

Analog Electronics MCQs | Page 28 of 103

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Q271.
A transistor has two p-n junctions. The batteries should be connected such that

a.

both junctions are forward biased

b.

both junctions are reverse biased

c.

one junction is forward biased and the other is reverse biased

d.

either (a) or (b)

Discuss
Answer: (c).one junction is forward biased and the other is reverse biased
Q272.
The value of parameter re used in re transistor model

a.

increases with increase in temperature

b.

decreases with increase in temperature

c.

is not affected by increase in temperature

d.

either (b) or (c)

Discuss
Answer: (a).increases with increase in temperature
Q273.
Assertion (A): In a full wave rectifier output the lowest ac component is at twice the input frequency

Reason (R): In a full wave rectifier, the output waveform consists of half sinusoids

a.

Both A and R are correct and R is correct explanation for A

b.

Both A and R are correct but R is not correct explanation for A

c.

A is correct R is wrong

d.

A is wrong R is correct

Discuss
Answer: (b).Both A and R are correct but R is not correct explanation for A
Q274.
An op-amp has zero gain for common mode inputs. Then CMRR =

a.

zero

b.

infinite

c.

high

d.

low

Discuss
Answer: (b).infinite
Q275.
Assertion (A): Negative feedback reduces the bandwidth of an amplifier

Reason (R): Negative feedback stabilizes the gain of an amplifier

a.

Both A and R are correct and R is correct explanation for A

b.

Both A and R are correct but R is not correct explanation for A

c.

A is correct R is wrong

d.

A is wrong R is correct

Discuss
Answer: (d).A is wrong R is correct
Q276.
A 12 kHz pulse wave-form is amplified by a circuit having an Upper cut-off frequency of 1 MHz. The minimum input pulse width that can be accurately reproduced is

a.

83.33 ฮผ sec

b.

1 ฮผ sec

c.

0.1 m sec

d.

3.5 m sec

Discuss
Answer: (b).1 ฮผ sec
Q277.
Feedback factor may be less or more than 1.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q278.
An RC oscillator uses

a.

one RC combination

b.

two RC combinations

c.

at least three RC combinations

d.

either (a) or (b)

Discuss
Answer: (c).at least three RC combinations
Q279.
The main advantage of CMOS circuit is

a.

high gain

b.

high output impedance

c.

low power consumption

d.

high gain and high output impedance

Discuss
Answer: (c).low power consumption
Q280.
Ac signals are given to both inverting and non-inverting terminals of an op-amp. When will the output maximum

a.

when the phase difference between the inputs is 0°

b.

when the phase difference between the inputs in 90°

c.

when the phase difference between the inputs is 180°

d.

when the phase difference between the inputs is 0 or 180°

Discuss
Answer: (c).when the phase difference between the inputs is 180°
Page 28 of 103