RAJASTHAN PMT Rajasthan - PMT Solved Paper-2010

  • 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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