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 84 of 120

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Q831.
The modulation index of an AM wave is changed from 0 to 1. The transmitted power is
Discuss
Answer: (c).increased by 50%
Q832.
In a radio receiver the input from local oscillator is fed to
Discuss
Answer: (b).mixer
Q833.
A shadow zone does not receive any space wave
Discuss
Answer: (a).True
Q834.
A radio frequency signal contains the following three frequencies :

850 kHz; 865 kHz and 875 kHz

In order to amplify this signal, which of the following amplifier should be selected?
Discuss
Answer: (d).Tuned voltage amplifier
Q835.
Which of the following pulse-time modulation is least used?
Discuss
Answer: (d).PAM
Discuss
Answer: (d).infinite sidebands
Q837.
The service area of a TV transmitter is a little beyond radio horizon.
Discuss
Answer: (a).True
Discuss
Answer: (b).information
Q839.
Frequency shifting keying is basically a method involving
Discuss
Answer: (b).frequency modulation
Q840.
Which of the following codes provides parity checks?
Discuss
Answer: (c).ASCII