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 81 of 103

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Q801.
Which of the following is non-sinusoidal oscillator?

a.

Multivibrator

b.

Relaxation oscillator using UJT

c.

Relaxation oscillator using tunnel diode

d.

Any of the above

Discuss
Answer: (a).Multivibrator
Q802.
Low gain-bandwidth product of a JFET is due to

a.

reduced number of holes

b.

junction capacitive effects

c.

low degree of isolation between input and output

d.

all of the above

Discuss
Answer: (b).junction capacitive effects
Q803.
In a CE amplifier it is desired that the signal should be able to swing equally in both directions. Then the Q point should be

a.

at the centre of ac load line

b.

at the centre of dc load line

c.

at the centre of collector voltage

d.

at the centre of collector current

Discuss
Answer: (a).at the centre of ac load line
Q804.
In a base driver amplifier the voltage gain is the ratio of

a.

ac collector voltage to ac base voltage

b.

ac emitter voltage to ac base voltage

c.

ac collector voltage to ac emitter voltage

d.

ac base voltage to ac emitter voltage

Discuss
Answer: (a).ac collector voltage to ac base voltage
Q805.
Assertion (A): A class C amplifier is a timed amplifier which needs a tank circuit as the load in the collector circuit of the transistor for its proper operation

Reason (R): In class C operation collector current flows for less than 180° of the ac cycle and thus flows in pulses

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: (a).Both A and R are correct and R is correct explanation for A
Q806.
A junction Field Effect Transistor can operate in

a.

depletion mode only

b.

enhancement mode only

c.

depletion and enhancement modes

d.

neither depletion nor enhancement modes

Discuss
Answer: (a).depletion mode only
Q807.
In the case of an amplifier, the normalised voltage gain is given by.where f0 is zero frequency, fP is pole frequency. For a standard frequency response of the amplifier,

a.

fP >> f0

b.

fP = f0

c.

fP << f0

d.

f0 = 2 fP

Discuss
Answer: (a).fP >> f0
Q808.
In a rectifier only a portion of input power is converted into DC power. The rest is AC power.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q809.
The slope of the transfer characteristics of an N-channel JFET is

a.

positive

b.

negative

c.

constantly varying

d.

zero

Discuss
Answer: (b).negative
Q810.
In a current mirror

a.

the i - v curve of compensating diode is similar to collector curve of transistor

b.

the i - v curve of compensating diode is similar to transconductance curve of transistor

c.

either (a) or (b)

d.

neither (a) nor (b)

Discuss
Answer: (b).the i - v curve of compensating diode is similar to transconductance curve of transistor
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