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 26 of 120

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Q251.
A remote control of TV uses a 10 bit word. The maximum number of total commands it can transmit is
Discuss
Answer: (d).1024
Q252.
Telecine equipment in a TV studio consists of
Discuss
Answer: (d).none of the above
Q253.
TV signal strength when expressed in dB m has the reference of
Discuss
Answer: (d).1 ฮผV/m
Q254.
A sinusoidal voltage amplitude modulates a carrier of peak value 5 kV. Each side band has an amplitude of 500 V. The modulation index is
Discuss
Answer: (b).0.2
Q255.
Kell factor is about
Discuss
Answer: (c).0.7
Q256.
AM amplifier having noise figure of 20 dB and available power gain of 15 dB is followed by a mixer circuit having noise figure of 9 dB. The overall noise figure as referred to input in dB is
Discuss
Answer: (a).10.44
Q257.
Which one of the following is non-resonant antenna?
Discuss
Answer: (d).Rhombic antenna
Q258.
The efficiency of using a binary system for selection of 1 out of 13 equally probable events is
Discuss
Answer: (a).100%
Q259.
The most suitable method for detecting a modulated signal g(t) = (3 to 6 cos 2ฯ€fmt) cos 2ฯ€fct is
Discuss
Answer: (a).envelope detector
Q260.
A total of 16 equally probable events exist. If it is required to select one out of them, the number of required bits is

a.

2

b.

4

c.

3

d.

5

Discuss
Answer: (b).4