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 101 of 120

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Q1001.
An FM signal has modulating frequency fm and maximum frequency deviation of ฮด. The bandwidth will be nearly equal to
Discuss
Answer: (b).2 ฮด
Discuss
Answer: (b).reason at (a) above and due to reflections from ground only
Q1003.
Full duplex operation-permits transmission in both directions at the same time.
Discuss
Answer: (a).True
Discuss
Answer: (c).is more than that of dipole
Q1005.
The modulation index of an FM is changed from 0 to 1. How does the transmitted power change?
Discuss
Answer: (c).Gets increased by 50 percent
Q1006.
For AM receivers the standard IF frequency is
Discuss
Answer: (b).455 kHz
Q1007.
For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as
Discuss
Answer: (c).4E
Q1008.
In TV systems, equalising pulses are sent during
Discuss
Answer: (a).horizontal blanking
Q1009.
A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is
Discuss
Answer: (b).15
Discuss
Answer: (b).produce 100% modulation