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Discussion :: Electronic Devices and Circuits

  1. Assertion (A): When a photoconductive device is exposed to light, its bulk resistance increases.

    Reason (R): When exposed to light, electron hole pairs are generated in the photoconductive device.

  2. A.
    Both A and R are true and R is correct explanation of A
    B.
    Both A and R are true but R is not a correct explanation of A
    C.
    A is true but R is false
    D.
    A is false but R is true

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    Answer : Option D

    Explanation :

    When exposed to light bulk resistance decreases. Therefore, A is wrong.


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