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Communication Systems MCQ Questions & Answers | ECE

Learn Communication Systems MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Communication Systems MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-4 section-1

Each section contains 100 MCQs on Communication Systems .
31
To eliminate ghosts in the picture
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Answer & Solution
Answer: Option C
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32
Circular polarization
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Answer: Option A
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33
If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz.
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Answer: Option D
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34
In Modulation, “carrier” is
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Answer: Option D
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35
For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as
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Answer: Option C
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36
A cordless telephone using separate frequencies for transmission in base and portable units is known as
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Answer: Option A
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37
In TV systems, equalising pulses are sent during
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Answer: Option A
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38
For a given carrier wave, maximum undistorted power is transmitted when value of modulation is
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Answer: Option A
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39
The modulation index of an FM is changed from 0 to 1. How does the transmitted power change?
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Answer: Option C
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40
The maximum power output of a standard A earth station over the total band allocated to satellite communication is about
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Answer & Solution
Answer: Option A
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