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

  • question_answer
    In amplitude modulation, sinusoidal carrier frequency used is denoted by and the signal frequency is denoted byThe bandwidth  of the signal is such thatWhich of the following frequencies is not contained in the modulated wave? [JEE Main 2017]

    A)

    B)

    C)

    D)

    Correct Answer: C

    Solution :

    [c] Three frequencies are contained \[{{\omega }_{m}}+{{\omega }_{c}},{{\omega }_{c}}-{{\omega }_{m}}\And {{\omega }_{c}}\]


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