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 15 of 103

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Q141.
In a transistor CE mode, VCC = +30 V. If the transistor is in cut off region, VCE =

a.

+30 V

b.

+20 V

c.

10 V

d.

zero

Discuss
Answer: (a).+30 V
Q142.
The dc load current in a bridge rectifier circuit is 10 mA. The dc load current through each diode is

a.

40 mA

b.

20 mA

c.

10 mA

d.

5 mA

Discuss
Answer: (d).5 mA
Q143.
An integrating amplifier has resistance in feedback path.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q144.
Values of VT at 20°C for an ideal P-N diode

a.

25.27 mV

b.

30.3 mV

c.

23 mV

d.

50 mV

Discuss
Answer: (a).25.27 mV
Q145.
Assertion (A): In an op-amp the voltage gain and band width can be adjusted as per requirement

Reason (R): Large value capacitor can also be fabricated on a chip

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
Q146.
A negative feedback can be of

a.

2 types

b.

3 types

c.

4 types

d.

only 1 type

Discuss
Answer: (c).4 types
Q147.
In a class C power amplifier the input frequency of ac signal is 1 MHz. If tank circuit has C = 1000 pF, the value of L =

a.

25 ฮผH

b.

50 ฮผH

c.

100 ฮผH

d.

200 ฮผH

Discuss
Answer: (a).25 ฮผH
Q148.
In calculating output impedance of an amplifier the source is replaced by an open circuit.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q149.
For transistor 2 N 338 the manufacturer specifies Pmax = 100 mW at 250°C free air temperature and maximum junction temperature of 125°C. Its thermal resistance is

a.

10° C/W

b.

100° C/W

c.

1000° C/W

d.

5000° C/W

Discuss
Answer: (c).1000° C/W
Q150.
A 120 V, 30 Hz source feeds a half wave rectifier circuit through a 4 : 1 step down transformer, the average output voltage is

a.

30 V

b.

13.5 V

c.

10 V

d.

7.07 V

Discuss
Answer: (b).13.5 V
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