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 81 of 120

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Q801.
The frequency tolerance for the RF carrier in the standard AM radio broadcast band is
Discuss
Answer: (a).zero
Q802.
If carrier is modulated by a digital bit stream having one of the possible phases of 0°, 90°, 180°, and 270°, then modulation is called
Discuss
Answer: (b).QPSK
Discuss
Answer: (d).proportional to amplitude of modulating signal
Q804.
If fh(t) is the Hilbert transform of f(t), and f(t) is a real valued signal, the pre-envelope of f(t) is
Discuss
Answer: (b).f(t) + jfh(t)
Q805.
Speech amplifiers are usually operated as
Discuss
Answer: (a).class A
Q806.
In which frequency range is the noise figure in a transistor independent of frequency
Discuss
Answer: (a).intermediate frequencies
Q807.
Which of the following is likely to be associated with FM radio broadcasting?
Discuss
Answer: (d).90 MHz
Discuss
Answer: (c).occurs when waves pass through a big slot
Discuss
Answer: (b).development of transistor
Q810.
At night D layer of ionosphere is absent.
Discuss
Answer: (a).True