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 51 of 103

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Q501.
A bridge diode circuit using ideal diodes has in input voltage of 20 sin ฯ‰t volts. The average and rms values of output voltage are

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q502.
In the circuit of figure v1 = 8 V and v2 = 0. Which diode will conduct (Assume ideal diodes)?

a.

D1 only

b.

D2 only

c.

Both D1 and D2

d.

Neither D1 nor D2

Discuss
Answer: (a).D1 only
Q503.
In the circuit of figure ฮฒ = 100 and quiescent value of base current is 20 ฮผA. The quiescent value of collector

a.

0.2 ฮผA

b.

2 ฮผA

c.

2 mA

d.

20 mA

Discuss
Answer: (c).2 mA
Q504.
In figure which diode will conduct and what will be the value of V0?

a.

D3, 1 V

b.

D1, 2 V

c.

D2, 5 V

d.

D1, 5 V

Discuss
Answer: (c).D2, 5 V
Q505.
For the amplifier circuit of figure, the h parameters of transistor are hib = 25 ฮฉ, hfb = 0.999, hob = 10¯โถ ฮฉ. The voltage gain is

a.

0.999

b.

1.98

c.

20

d.

400

Discuss
Answer: (d).400
Q506.
In figure, VCC = + 30 V, R1 = 200 kฮฉ and R2 = 100 kฮฉ. If VBE = 0.7 V, the voltage a cross RE =

a.

+20 V

b.

+19.3 V

c.

+10 V

d.

+9.3 V

Discuss
Answer: (d).+9.3 V
Q507.
The Vo of the op-amp circuit shown in the given is

a.

11 Vi

b.

10 Vi

c.

Vi

d.

zero

Discuss
Answer: (d).zero
Q508.
The main use of JFET with a

a.

frequency mixer

b.

source follower

c.

voltage doubler

d.

trigger

Discuss
Answer: (b).source follower
Q509.
Assertion (A): A dc stabilizer has constant output voltage irrespective of variations in input voltage and load current

Reason (R): A dc series regulator uses a zener diode across the load to stabilize the output voltage.

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: (b).Both A and R are correct but R is not correct explanation for A
Q510.
In the self biasing scheme (RF across collector to base) of BJT, S1 tends to unity by __________ RC is the collector load Resistance.

a.

increasing RF

b.

decreasing RF

c.

decreasing RF and increasing RC

d.

increasing RF and decreasing RC

Discuss
Answer: (c).decreasing RF and increasing RC
Page 51 of 103