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

  • question_answer
    An amplitude modulated signal is plotted below [JEE Main 11-Jan-2019 Evening]
    Which one of the following best describes the above signal?

    A)

    B)

    C)

    D)

    Correct Answer: A

    Solution :

    [a]: Amplitude of AM wave varies as 8 V to 10 V or
    Time period of modulating signal,
    Time period of carrier signal,
    Hence the signal can be represented as


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