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 12 of 120

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Q111.
Which of the following types of noise assumes greater importance at high frequencies?
Discuss
Answer: (a).Transit time noise
Q112.
In transistor radio receivers the number of IF amplifier stages are

a.

1

b.

2

c.

4

d.

6

Discuss
Answer: (b).2
Q113.
To relay outdoor remotely located live programs, TV transmitter use
Discuss
Answer: (a).microwave links
Q114.
If each short element of signal occupies 20 ms, the speed is
Discuss
Answer: (b).50 bauds
Discuss
Answer: (b).sin ฯ‰โ‚t - cos ฯ‰โ‚‚t
Q116.
In ionosphere incidence angle is 60°. The maximum usable frequency fm is equal to
Discuss
Answer: (a).2fc
Q117.
The generally used value of EHV supply in TV receivers is
Discuss
Answer: (b).1 kV per diagonal inch
Q118.
The number of channels available in MF band (300 kHz - 3 MHz) for AM modulating signal of 20 kHz is
Discuss
Answer: (b).67
Discuss
Answer: (c).to dilute any of the channels
Q120.
The output resistance of a microphone is 20 ohms. It is to feed a line of impedance 320 ohms. To ensure maximum power transfer, the turn ratio of transformer is
Discuss
Answer: (d).4