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

  • question_answer
    The bit rate for a signal, which has a sampling rate of 8 kHz and where 16 quantisation levels have been used is

    A)            32000 bits/sec                      

    B)            16000 bits/sec

    C)            64000 bits/sec                      

    D)            72000 bits/sec

    Correct Answer: A

    Solution :

                       If n is the number of bits per sample, then number of quantisation level = 2n Since the number of quantisation level is 16 Þ 2n = 16 Þ n = 4 \ bit rate = sampling rate ´ no. of bits per sample = 8000 ´ 4 = 32,000 bits/sec.


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