Communication Systems MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Communication Systems, 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 Communication Systems 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 Communication Systems mcq questions that explore various aspects of Communication Systems problems. Each MCQ is crafted to challenge your understanding of Communication Systems 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 Communication Systems 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 Communication Systems. 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 Communication Systems knowledge to the test? Let's get started with our carefully curated MCQs!

Communication Systems MCQs | Page 120 of 120

Q1191.
Human ear can detect sound intensities of the order of
Discuss
Answer: (c).10‾¹³ W/m²
Q1192.
If output power of a radio receiver is doubled, its volume is increased by __________ dB.

a.

2

b.

3

c.

1

d.

-3

Discuss
Answer: (b).3
Discuss
Answer: (a).Convex lens has positive focal power and concave lens have negative focal power
Discuss
Answer: (c).change the antenna orientation of location
Q1195.
The frequency range of 300 kHz to 3000 kHz is known as
Discuss
Answer: (b).medium frequency
Q1196.
Which of the following does not cause losses in optical fibre cables?
Discuss
Answer: (a).Stepped index operation
Q1197.
For a low level AM system, the amplifiers modulated stage must be
Discuss
Answer: (a).linear devices
Q1198.
Assertion (A): In FM the frequency of the carrier is varied by the modulating voltage

Reason (R): FM and PM are two forms of angle modulation.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A