MCQ
In frequency modulation
  • A
    The amplitude of modulated wave varies as frequency of carrier wave
  • The frequency of modulated wave varies as amplitude of modulating wave
  • C
    The amplitude of modulated wave varies as amplitude of carrier wave
  • D
    The frequency of modulated wave varies as frequency of modulating wave

Answer

Correct option: B.
The frequency of modulated wave varies as amplitude of modulating wave
b
(b) The process of changing the frequency of a carrier wave (modulated wave) in accordance with the audio frequency signal (modulating wave) is known as frequency modulation (FM).

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