Question

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

Posted under Electronics and Communication Engineering

Answer: (c).varying the frequency of the carrier voltage in accordance with the instantaneous value of the modulating voltage

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Q. Frequency modulation consists in
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