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JEE Main & Advanced Physics Communication System / संचार तंत्र Question Bank Communication

  • question_answer
    Which of the following is the disadvantage of FM over AM

    A)            Larger band width requirement

    B)            Larger noise

    C)            Higher modulation power

    D)            Low efficiency

    Correct Answer: A

    Solution :

               Frequency modulation requires much wider channel (7 to 15 times) as compared to AM.


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