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  1. Consider the following BJT circuit:
    hie = 2 k ohm
    hfe = 100
    hre = 2.5 x 10-4

    The value of Ri is :

    2. A.
    2.46 kΩ
    B.
    2.88 kΩ
    C.
    200 Ω
    D.
    18.48 Ω

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    Answer : Option A

    Explanation :

    Ri = 7 || 4.3 || (2 + (1 + 100)330) = 2.88 kΩ.

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