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 25 of 103

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Q241.
In a CE amplifier, the output voltage is equal to product of

a.

ac collector current and ac collector resistance

b.

ac base current and ac collector resistance

c.

ac emitter current and ac emitter resistance

d.

ac collector current and source resistance

Discuss
Answer: (a).ac collector current and ac collector resistance
Q242.
A diode can have a very high forward resistance.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q243.
An increase in ambient temperature means that maximum power rating of transistor

a.

will increase

b.

will decrease

c.

may increase or decrease

d.

may increase or remain the same

Discuss
Answer: (b).will decrease
Q244.
Two CE stages are coupled through a capacitor. To calculate the quiescent base current of the two transistors, the capacitor is treated as

a.

open circuit

b.

short circuit

c.

neither (a) nor (b)

d.

either (a) or (b)

Discuss
Answer: (a).open circuit
Q245.
If it is desired to have low output impedance in an amplifier circuit then we should use

a.

common collector circuit

b.

common base circuit

c.

common emitter circuit

d.

either (b) or (c)

Discuss
Answer: (a).common collector circuit
Q246.
Generally the gain of a transistor amplifier falls at high frequencies due to the

a.

internal capacitance of device

b.

coupling capacitor at the I/P

c.

skin effect

d.

coupling capacitor at the O/P

Discuss
Answer: (a).internal capacitance of device
Q247.
A transistor with a = 0.9 and ICBO = 10 ฮผA is biased so that IBQ = 90 ฮผA. Then ICQ will be

a.

910 mA

b.

5 mA

c.

5.25 mA

d.

4.95 mA

Discuss
Answer: (a).910 mA
Q248.
A CB amplifier has a = 0.98 and RL = 600 ฮฉ. If IE = 3.5 mA, the current gain is

a.

1

b.

0.98

c.

0.98 x 3.5

d.

3.5/0.98

Discuss
Answer: (b).0.98
Q249.
funity of an op-amp is about 1 kHz.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q250.
Assertion (A): In an RC coupled amplifier the junction capacitances can be neglected at low frequencies but not at high frequencies

Reason (R): Capacitive reactance is inversely proportional to frequency.

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
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