12th Class Physics Communication System / संचार तंत्र

  • question_answer 13)
      A message signal of frequency c is superposed on a carrier wave of frequency  to get an amplitude modulated wave (AM). The frequency of the AM wave will be (a)                                   (b) (c)                         (d)

    Answer:

      (b)  In amplitude modulation the frequency of modulated wave is equal to the frequency of carrier wave. Thus option (b) is correct.


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