Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion


Assertion (A): When light falls at junction of p-n photodiode, its p side becomes positive and n side becomes negative.

Reason (R): When a photodiode is short circuited, the current in the external circuit flows from p side to n side.

[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

Answer: Option A


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