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 23 of 103

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Q221.
In a closed loop non-inverting amplifier, constructed using single break-frequency op-amp, bandwidth with feedback can be written as. (f0 - break frequency, ฮฒ - gain of the feedback circuit, A - open loop voltage gain, Af - closed loop voltage gain)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q222.
Two identical FETs, each characterised by the parameters gm and rd are connected in parallel. The composite FET is then characterised by the parameters

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q223.
DC voltage of the order of a few mV can be accurately of measured by

a.

PMMC voltmeters

b.

moving iron voltmeter

c.

null balancing potentiometer

d.

electrostatic voltmeter

Discuss
Answer: (c).null balancing potentiometer
Q224.
In a CE amplifier the input impedance is equal to the ratio of

a.

ac base voltage to ac base current

b.

ac base voltage to ac emitter current

c.

ac emitter voltage to ac collector current

d.

ac collector voltage to ac collector current

Discuss
Answer: (a).ac base voltage to ac base current
Q225.
For a system to work, as oscillator the total phase shift of the loop gain must be equal to

a.

90°

b.

45°

c.

270°

d.

360°

Discuss
Answer: (d).360°
Q226.
An amplifier has a large ac input signal. The clipping occurs on both the peaks. The output voltage will be nearly a

a.

sine wave

b.

square wave

c.

triangular wave

d.

(a) or (c)

Discuss
Answer: (b).square wave
Q227.
To prevent a DC return between source and load, it is necessary to use

a.

resistor between source and load

b.

inductor between source and load

c.

capacitor between source and load

d.

either (a) or (b)

Discuss
Answer: (c).capacitor between source and load
Q228.
For a base current of 10 ฮผA, what is the value of collector current in common emitter if ฮฒdc = 100

a.

10 ฮผA

b.

100 ฮผA

c.

1 mA

d.

10 mA

Discuss
Answer: (c).1 mA
Q229.
Which of the following oscillators is suitable for frequencies in the range of mega hertz?

a.

RC phase shift

b.

Wien bridge

c.

Hartley

d.

Both (a) and (c)

Discuss
Answer: (c).Hartley
Q230.
Consider the following statements : A clamper circuit

1. adds or subtracts a dc voltage to a waveform
2. does not change the waveform
3. amplifiers the waveform

Which are correct?

a.

1, 2

b.

1, 3

c.

1, 2, 3

d.

2, 3

Discuss
Answer: (a).1, 2
Page 23 of 103