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 114 of 120

Q1131.
In equally tampered musical scale, an octave is divided into
Discuss
Answer: (a).12 intervals
Q1132.
If the target cross-section is changing, the best scanning system for accurate tracking is
Discuss
Answer: (b).monopulse
Q1133.
If e = 10 sin(10⁸ t + 3 sin 10³ t) then the modulation index is

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Discuss
Answer: (c).varying the frequency of the carrier voltage in accordance with the instantaneous value of the modulating voltage
Q1135.
Pulse modulation is often used in
Discuss
Answer: (c).telegraphy
Q1136.
Thermal noise has a power spectral density which is quite uniform upto frequencies in the order of
Discuss
Answer: (d).10¹³ Hz
Q1137.
A telephone channel requires a bandwidth of about
Discuss
Answer: (b).3 kHz
Q1138.
For a given carrier wave, maximum undistorted power is transmitted when value of modulation is
Discuss
Answer: (a).1
Q1139.
As per Shannon-Hartley theorem, a noise less Gaussian channel has
Discuss
Answer: (b).infinite capacity
Discuss
Answer: (a).Laser beam for both recording and playback