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Discussion :: Electronic Devices and Circuits

  1. In given figure a silicon diode is carrying a constant current of 1 mA. When the temperature of the diode is 20°C, VD is found to be 700 mV. If the temperature rises to 40°C, VD becomes approximately equal to

    2. A.
    747 mV
    B.
    660 mV
    C.
    680 mV
    D.
    700 mV

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    Answer : Option A

    Explanation :

    Id = Io(eVD/ηVT - 1)

    By considering , then

    = eVD/ηVT

    Id is constant according to question,

    VD a T

    .

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