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JEE Main & Advanced Physics Communication System / संचार तंत्र JEE PYQ-Communication System

  • question_answer
    A message signal of frequency 100 MHz and peak voltage 100 V is used to execute amplitude modulation on a carrier wave of frequency 300 GHz and peak voltage 400 V. The modulation index and difference between the two side band frequencies are: [JEE Main 10-4-2019 Morning]

    A)

    B)

    C)

    D)

    Correct Answer: D

    Solution :

    [d]
                                
    Modulaton Index
    Upper band frequency (UBF)
    Lower band frequency (LBF)


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