In amplitude modulation, the amplitude of the carrier wave varies in accordance with
A
amplitude of modulating signal.
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B
frequency of modulating signal.
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C
frequency of carrier wave.
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D
wave length of modulating signal.
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Solution
The correct option is C amplitude of modulating signal. In amplitude modulation, the amplitude of the modulating signal is superimposed on the amplitude of the carrier wave and due to this the amplitude of the carrier wave varies in accordance with the amplitude of the modulating signal.