Q 1564280155.     If the distance of `100 W`.lamp is increased from
a photocell, the saturation current `i` in the
photocell varies with the distance `d` as

VIT 2014
A

`i alpha d^(2)`

B

`i alpha d`

C

`i alpha 1/d`

D

`i alpha 1/d^(2)`

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