A.(saturation current is directly proportional to Intensity of light,so we can eliminate B and D first,then stopping potential for both is -2)
Akash Anand Good job.
Upvote·0· Reply ·2014-03-13 05:08:27
A.(saturation current is directly proportional to Intensity of light,so we can eliminate B and D first,then stopping potential for both is -2)