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 21 of 120

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Discuss
Answer: (b).only one motor for all operations
Q202.
A 400 W carrier is modulated to a depth of 75 percent. The total power in modulated wave will be
Discuss
Answer: (c).512.5 W
Discuss
Answer: (d).orbits the earth within a 24 hour period
Q204.
For an ideal 3000 Hz channel, Nyquist rate is
Discuss
Answer: (b).6000 bps
Q205.
Assertion (A): Electromagnetic waves in free space spread uniformly in all directions from a point source

Reason (R): Free space has no interference or obstacles.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q206.
In the FM wave described by equation v = 15 sin (4 x 10โธ t + 3 sin 1100 t), the maximum frequency deviation is
Discuss
Answer: (b).525 Hz
Q207.
The radar cross-section of a target depends an
Discuss
Answer: (d).all of the above
Q208.
The Nyquist sampling interval, for the signal sin c (700t) + sin c (5000 t) is
Discuss
Answer: (c).1/700 sec
Q209.
A line has L = 0.8 µH/m and C = 32 pF/m. Z0 =
Discuss
Answer: (c).158
Q210.
A line has standing waves with a voltage maximum of 35 mV and minimum of 17.5 mV VSWR is
Discuss
Answer: (a).2