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 27 of 120

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Q261.
When modulation index of an AM wave is increased from 0.5 to 1, the transmitted power
Discuss
Answer: (c).increases by 33.3%
Q262.
Quantizing error occurs in
Discuss
Answer: (c).PCM
Q263.
In audio cassettes the width of each recording track is
Discuss
Answer: (b).2.5 mm
Q264.
The most commonly used transistor amplifier circuit is
Discuss
Answer: (c).CE
Q265.
When energy is fed into open wire transmission line the energy may get dissipated due to
Discuss
Answer: (d).all of the above
Discuss
Answer: (a).high boost to bass and little boost to treble
Q267.
A mobile telephone has a range of about
Discuss
Answer: (a).50 km
Q268.
If transmitted power is 75 kW, the field strength at 30 km distance will be about
Discuss
Answer: (c).50 mV/m
Q269.
The time required for horizontal blanking is 16% of that for each horizontal line. If horizontal time is 63.5 ฮผs, the horizontal blanking time for each line is about
Discuss
Answer: (b).10 ฮผs
Q270.
When the number of quantising levels is 16 in PCM, the number of pulses in a code group will be

a.

3

b.

4

c.

8

d.

16

Discuss
Answer: (b).4