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Discussion :: Analog Electronics

  1. The zener diode in the rectangular circuit shown in the figure has a zener voltage of 5.8 volts and a zener knee current of 0.5 mA. The maximum load current drawn from this circuit ensuring proper functioning over the input voltage range between 20 and 30 volts, is

    2. A.
    23.7 mA
    B.
    14.2 mA
    C.
    13.7 mA
    D.
    24.2 mA

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    Answer : Option D

    Explanation :

    It is zener diode, hence 5.8 volt remain constant.

    By applying KVL

    30 = 1000 Imax + 5.8

    Imax = 24.2 mA.

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