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Discussion :: Analog Electronics

  1. An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is

    2. A.

     1/11KΩ
    B.

     1/5KΩ
    C.

     5KΩ
    D.

     11KΩ

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    Answer : Option A

    Explanation :

    Explanation Not Provided

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