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 32 of 103

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Q311.
In figure the dc emitter current of each transistor is about

a.

4 mA

b.

2 mA

c.

3 mA

d.

1 mA

Discuss
Answer: (d).1 mA
Q312.
Assume that op-amp in figure is ideal. If input Vi is triangular, the output V0 will be

a.

square wave

b.

sine wave

c.

triangular wave

d.

parabolic wave

Discuss
Answer: (a).square wave
Q313.
In the diode circuit of figure the diodes are ideal. The average current through ammeter is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q314.
The critical frequency of the circuit of figure is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q315.
Find resistance RB to bring transistor to threshold of saturation VCB = 0, VBE = 0.7 V, a = 0.96

a.

1.5 kฮฉ

b.

15 kฮฉ

c.

10 kฮฉ

d.

1 kฮฉ

Discuss
Answer: (a).1.5 kฮฉ
Q316.
In figure ID = 4 mA. Then VGS =

a.

4.4 V

b.

-4.4 V

c.

0.44 V

d.

-0.44 V

Discuss
Answer: (b).-4.4 V
Q317.
In following circuit, RB will be if VCC = 10 V, VS = 2 V, RC = 5 kฮฉ, RS = 90 kฮฉ, ฮฒ = 50, ICE = 0, VCEsat = 0.1 V

a.

230 K

b.

235 K

c.

240 K

d.

250 K

Discuss
Answer: (b).235 K
Q318.
In following figure, what will be R1 and R2 for maximum symmetrical swing if VCSat โ‰ˆ 0. Given that RE = 200 ฮฉ, RC = 400 ฮฉ, VCC = 20 V, ฮฒ = 99

a.

6 k

b.

3 k, 6 k

c.

9.9 k, 2.4 k

d.

2.4 k, 9.9 k

Discuss
Answer: (d).2.4 k, 9.9 k
Q319.
A half wave diode rectifier and full wave diode bridge rectifier both have an input frequency of 50 Hz. The frequencies of outputs respectively are

a.

100 Hz and 50 Hz

b.

50 Hz and 100 Hz

c.

100 Hz each

d.

50 Hz each

Discuss
Answer: (b).50 Hz and 100 Hz
Q320.
Overall efficiency of class B amplifier is

a.

72%

b.

75%

c.

78.5%

d.

70%

Discuss
Answer: (c).78.5%
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