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Modulation And Demodulation MCQ Questions & Answers | Electrical Engineering

Learn Modulation And Demodulation MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Modulation And Demodulation MCQ question is the important chapter for a Electrical Engineering and GATE students. Page-4 section-1

31
In India, ___________ modulation is used for radio transmission
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Answer & Solution
Answer: Option B
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32
When the modulating signal controls the frequency of the carrier, we get___________
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Answer: Option C
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33
In an AM wave useful power is carrier by ___________
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Answer: Option B
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34
In a radio receiver, we generally use ___________ oscillator as a local oscillator
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Answer: Option D
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35
In radio transmission, the medium of transmission is ___________
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Answer: Option A
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36
In superhetrodyne receiver, the input at mixer stage is ___________
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Answer: Option D
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37
Overmodulation results in ___________
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Answer: Option C
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38
The letters AVC stand for ___________
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Answer: Option C
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39
In a TRF radio receiver, the RF and detection stages are tuned to ___________
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Answer: Option A
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40
The IF is 455 kHz. If the radio receiver is tuned to 855 kHz, the local oscillator frequency is ___________
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Answer: Option B
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