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 53 of 120

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Q521.
In the above case if another sine wave corresponding to 40% modulation is transmitted simultaneously, the total radiated power will be
Discuss
Answer: (c).10.84 kW
Discuss
Answer: (c).amplifies higher audio frequencies
Discuss
Answer: (b).one-half of total transmitted energy
Discuss
Answer: (a).both record and erase heads have high permeability core
Discuss
Answer: (c).amplitude of any side band depends on modulation index
Discuss
Answer: (b).equal to 10% or less of the resistance in parallel with it
Q527.
In a radar system the solution to blind speed problem is to
Discuss
Answer: (c).vary PRF
Q528.
For a FM wave carrier modulating frequency is 10 kHz and bandwidth is 2 MHz. If the modulating signal amplitude is doubled, the bandwidth will be
Discuss
Answer: (d).4 MHz
Q529.
In band III of TV, distant reception (beyond line of sight range) is possible due to
Discuss
Answer: (a).tropospheric bending by refraction
Q530.
In FM noise can be decreased by a feature that AM does not have
Discuss
Answer: (c).reducing modulation index