Verified Solution • 2025–26 Session moderate

QJEEM23Phb232: JEE Main 2023 Physics - Class 12 JEEM23Phb232 Solution: Given below are two statements : one is labelled as Assertion A …

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 :

Multiple Choice Options

  • A Both A and R are true and R is the correct explanation of A
  • B A is false but R is true
  • C A is true but R is false
  • D Both A and R are true but R is NOT the correct explanation of A

Step-by-Step Verified Solution

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.

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