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 19 of 103

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Q181.
A second order active bandpass filter can be obtained by cascading LP second order filter having higher cut off frequency fOH with a second order HP filter having lower cut off frequency fOL provided

a.

fOL < fOH

b.

fOL > fOH

c.

fOH = fOL

d.

fOH < 0.5 fOL

Discuss
Answer: (a).fOL < fOH
Q182.
The open loop gain of an amplifier is 50 but likely to decrease by 20% due to various factors. If negative feedback with ฮฒ = 0.1 is used, the change in gain will be about

a.

20%

b.

2%

c.

0.5%

d.

0.05%

Discuss
Answer: (c).0.5%
Q183.
A dc power supply has no load voltage of 30 V and full load voltage of 25 V at full load current of 1 A. The output resistance and voltage regulation respectively are

a.

5 ฮฉ and 25%

b.

25 ฮฉ and 20%

c.

5 ฮฉ and 16.7%

d.

25 ฮฉ and 16.7%

Discuss
Answer: (b).25 ฮฉ and 20%
Q184.
The main advantage of CC amplifier is

a.

High input impedance and low output impedance

b.

Low input impedance and high output impedance

c.

High voltage gain

d.

High current gain

Discuss
Answer: (a).High input impedance and low output impedance
Q185.
If a = 0.995, IE = 10 mA, ICO = 0.5 mA, then ICEO will be

a.

100 ฮผA

b.

25 ฮผA

c.

10.1 ฮผA

d.

10.5 ฮผA

Discuss
Answer: (a).100 ฮผA
Q186.
Assertion (A): In class C amplifier the efficiency is more than that for other classes of amplifiers

Reason (R): In class C amplifier we can get high efficiency over a wideband

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: (c).A is correct R is wrong
Q187.
Heat sink results in

a.

slower dissipation of heat to atmosphere

b.

faster dissipation of heat to atmosphere

c.

lower ambient temperature

d.

lower transistor power

Discuss
Answer: (b).faster dissipation of heat to atmosphere
Q188.
A buffer amplifier should have

a.

high input impedance and low output impedance

b.

high input impedance and high output impedance

c.

low input impedance and high output impedance

d.

low input impedance and low output impedance

Discuss
Answer: (a).high input impedance and low output impedance
Q189.
In a CE amplifier, the output voltage is equal to product of

a.

ac collector current and ac collector resistance

b.

ac base current and ac collector resistance

c.

ac emitter current and ac emitter resistance

d.

ac collector current and source resistance

Discuss
Answer: (a).ac collector current and ac collector resistance
Q190.
A diode can have a very high forward resistance.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Page 19 of 103