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

  • question_answer
    A signal of 5 kHz frequency is amplitude modulated on a carrier wave of frequency 2 MHz. The frequencies of the resultant signal is/are:                                     [JEE MAIN 2015]

    A) 2005 kHz, 2000 kHz and 1995 kHz

    B) 2000 kHz and 1995 kHz

    C) 2 MHz only

    D) 2005 kHz, and 1995 kHz

    Correct Answer: A

    Solution :

    [a]


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