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 105 of 120

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Q1041.
An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz.
Discuss
Answer: (b).113
Q1042.
If S represents the carrier synchronization at the receiver and ฯ represents the bandwidth efficiency, then the correct statement for the coherent binary PSK is
Discuss
Answer: (d).ฯ = 1.0, S is not required
Q1043.
For telegraphy the most commonly used modulation system is
Discuss
Answer: (a).FSK
Q1044.
Commercial Frequency deviation of FM is
Discuss
Answer: (b).75 kHz
Discuss
Answer: (c).reflected colour for opaque object and wavelength transmitted through it for transparent objects
Discuss
Answer: (a).large bandwidth is required
Q1047.
Human ear can detect sound intensities of the order of
Discuss
Answer: (c).10โ€พ¹³ W/m²
Q1048.
If output power of a radio receiver is doubled, its volume is increased by __________ dB.

a.

2

b.

3

c.

1

d.

-3

Discuss
Answer: (b).3
Discuss
Answer: (a).Convex lens has positive focal power and concave lens have negative focal power
Discuss
Answer: (c).change the antenna orientation of location