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Discussion :: Communication Systems

  1. An amplifier has an input resistance of 10 kΩ and the noise voltage is 10 μV. If two such resistances of 10 kΩ each are connected in series at the input, the total noise voltage is about

    2. A.
    20 μV
    B.
    5μV
    C.
    14.14 μV
    D.
    10 μV

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    Answer : Option C

    Explanation :

    Noise voltage = 10 = 14.14 μV.

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