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  1. The cut off voltage for JFET is 5 V. The pinch off voltage is __________ .

    2. A.
    (5.0)l/2 V
    B.
    2.5 V
    C.
    V
    D.
    5 V

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    Answer : Option D

    Explanation :

    For JFET

    ID = IDSS (1 - VGS/Vp)2

    0 = (1 - VGS/Vp)2

    ∴ VGS = VP

    ∴ Vp = 5 V.

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