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 21 of 103

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Q201.
Assertion (A): In the circuit shown figure the diode is used to protect the active devices. Transistor T goes into saturation when a positive pulse is applied at base and non conducting

Reason (R): When the current in an inductor is suddenly stopped, a high voltage is induced across it.

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
Q202.
Following figure is a signal conditioning Amplifier, changes gain depending upon the polarity of Vs. What will be circuit voltage gain for + Vs and for - Vs if D2 is ideal.

a.

AV = -R3/R1

b.

R3/R1

c.

R1/R3

d.

1 + R3/R1

Discuss
Answer: (a).AV = -R3/R1
Q203.
The circuit of the figure is an example of feedback of the following type

a.

current series

b.

current shunt

c.

voltage series

d.

voltage shunt

Discuss
Answer: (d).voltage shunt
Q204.
Oscillation frequency in Wein bridge oscillator is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q205.
In figure VCC = + 30 V, IC corresponding to Q point is 1 mA. If RC = 5 kฮฉ and RE = 5 kฮฉ, VCE corresponding to Q point is

a.

30 V

b.

20 V

c.

25 V

d.

5 V

Discuss
Answer: (b).20 V
Q206.
Symbol shown in figure represents a

a.

Enhancement only N-channel MOSFET

b.

UJT with p-type base

c.

N-channel DMOSFET with internal protection

d.

Phototransistor

Discuss
Answer: (c).N-channel DMOSFET with internal protection
Q207.
In the op-amp circuit of figure, V0 =

a.

3 V1 - 4 V2

b.

-3 V1 + 4 V2

c.

3(V1 - V2)

d.

-3(V1 - V2)

Discuss
Answer: (b).-3 V1 + 4 V2
Q208.
The re model equivalent circuit shown in figure is for

a.

CE amplifier

b.

CC amplifier

c.

CB amplifier

d.

None of the above

Discuss
Answer: (c).CB amplifier
Q209.
For the circuit of figure the input and output Miller resistances are

a.

5 kฮฉ each

b.

1 ohm and 5 kฮฉ respectively

c.

5 kฮฉ and 1 ohm respectively

d.

1 ohm each

Discuss
Answer: (b).1 ohm and 5 kฮฉ respectively
Q210.
In the circuit of figure for sinusoidal input the waveform of the output will be as shown in

a.

figure A

b.

figure B

c.

figure C

d.

figure D

Discuss
Answer: (d).figure D
Page 21 of 103