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A solid sphere of radius R has a volume charge density `rho=rho_(0) r^(2)` (where `rho_(0)` is a constant ans r is the distance from centre). At a distance x from its centre (for `x lt R`), the electric field is directly proportional to :

A

`1//x^(2)`

B

`1//x`

C

`x^(3)`

D

`x^(2)`

Text Solution

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The correct Answer is:
C
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