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  1. In the following transistor circuit VBE = 0. 7 V, rc = 25mV/IE, and β and the capacitance are very large

    The value of DC current IE is

    2. A.
    1 mA
    B.
    2 mA
    C.
    5 mA
    D.
    10 mA

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    Answer : Option A

    Explanation :

    Design is independent of IB as β is very high

    IB ∼ 0

    Thus applying Kirchhoff's law is base emitter, we get.

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