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Communication Systems

Q1:

Frequency modulation consists in

A varying the frequency and amplitude of the carrier in accordance with the instantaneous value of modulating signal

B varying the amplitude of the carrier in accordance with the instantaneous value of the modulating voltage

C varying the frequency of the carrier voltage in accordance with the instantaneous value of the modulating voltage

D vary the frequency of the carrier voltage

ANS:C - varying the frequency of the carrier voltage in accordance with the instantaneous value of the modulating voltage

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