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Question
In amplitude modulation,
Options
amplitude remains constant but frequency changes according to information signal
amplitude of carrier wave changes according to information signal
both amplitude and frequency changes according to information signal
both amplitude and frequency do not change according to information signal
MCQ
Solution
amplitude of carrier wave changes according to information signal
Explanation:
The amplitude of the high frequency carrier wave is altered in line with the instantaneous amplitude of the information stream in amplitude modulation.
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Amplitude (A), Period (T) and Frequency (N) of S.H.M.
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