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 1 of 103

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Q1.
If the input to the ideal comparator shown in the figure is a sinusoidal signal of 8 V (peak to peak) without any DC component, then the output of the comparator has a duty cycle of

a.

1/2

b.

1/3

c.

1/6

d.

1/12

Discuss
Answer: (b).1/3
Q2.
A half wave diode circuit using ideal diode has an input voltage 20 sin ωt volts. Then average and rms values of output voltage are

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q3.
In figure v1 = 8 V and v2 = 4 V. Which diode will conduct?

a.

D2 only

b.

D1 only

c.

Both D1 and D2

d.

Neither D1 nor D2

Discuss
Answer: (b).D1 only
Q4.
Gain of the amplifier is 'A'. Then the I/P impedance and O/P impedance of the closed loop amplifier shown below would be

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q5.
In figure The minimum and maximum load currents are

a.

0 and 60 mA

b.

0 and 120 mA

c.

10 mA and 60 mA

d.

10 mA and 120 mA

Discuss
Answer: (b).0 and 120 mA
Q6.
In figure, VEB = 0.6 V, β = 99. Then VC and IC are

a.

9.3 V and 1.98 mA respectively

b.

4.6 V and 1.98 mA respectively

c.

9.3 V and 0.02 mA respectively

d.

4.6 V and 0.02 mA respectively

Discuss
Answer: (a).9.3 V and 1.98 mA respectively
Q7.
The input impedance of op-amp circuit of figure is

a.

120 k ohm

b.

110 k ohm

c.

infinity

d.

10 k ohm

Discuss
Answer: (d).10 k ohm
Q8.
The output V0 in figure is

a.

-100 V

b.

-100 mV

c.

10 V

d.

10 mV

Discuss
Answer: (b).-100 mV
Q9.
The transistor of following figure in Si diode with a base current of 40 μA and ICBO = 0, if VBB = 6V, RE = 2 kΩ and β = 90, IBQ = 20 μA then RB =

a.

200 kΩ

b.

265 kΩ

c.

150 kΩ

d.

100 kΩ

Discuss
Answer: (b).265 kΩ
Q10.
In the amplifier circuit of figure hfe = 100 and hie = 1000 Ω. The voltage gain of amplifier is about

a.

0.33

b.

0.5

c.

0.66

d.

1

Discuss
Answer: (d).1
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