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JEE Main & Advanced Physics Communication System / संचार तंत्र Question Bank Self Evaluation Test - Communication System

  • question_answer
    An audio signal consists of two distinct sounds: one a human speech signal in the frequency band of \[200\text{ }Hz\] to \[2700\text{ }Hz,\] while the other is a high frequency music signal in the frequency band of \[10200\text{ }Hz\] to \[15200\text{ }Hz\]. The ratio of the AM signal bandwidth required to send both the signals together to the AM signal bandwidth required to send just the human speech is:

    A) \[2\]

    B) \[5\]     

    C) \[6\]

    D) \[3\]

    Correct Answer: C

    Solution :

    [c] Ratio of AM signal Bandwidths \[=\frac{15200-200}{2700-200}=\frac{15000}{2500}=6.\]


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