JEE MAIN - Physics (2023 - 24th January Morning Shift - No. 1)
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R
Assertion A : Photodiodes are preferably operated in reverse bias condition for light intensity measurement.
Reason R : The current in the forward bias is more than the current in the reverse bias for a $$p-n$$ junction diode.
In the light of the above statements, choose the correct answer from the options given below :
Both A and R are true and R is the correct explanation of A
A is false but R is true
A is true but R is false
Both A and R are true but R is NOT the correct explanation of A
Објашњење
Photodiodes are preferably operated in reverse
bias condition for light intensity measurement
because it increases the width of depletion layer,
therefore both are correct but not the correct
explanation.