CBSE Class 12 Physics 2020 Outside Delhi Set 3 Paper

Question : 1

Total: 13

SECTION - A

A photocell connected in an electrical circuit is placed at a distance ' d ' from a source of light. As a result, current I flows in the circuit. What will be the current in the circuit when the distance is increased to ' 2d′ ?

2I
‌
I
4
‌
1
2
4 I

Solution:

(b) ‌

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