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A solid sphere of radius R has charge q ...

A solid sphere of radius R has charge q uniformly distributed over its volume. The distance from it surfce at which the electrostatic potential is equal to half of the potential at the centre is

A

R

B

2R

C

`R/3`

D

`R/2`

Text Solution

Verified by Experts

The correct Answer is:
C
`(kq)/r=3/2((kq)/R)/2or r=4/3R`
`:.` Distance from surface =`r=R`
`=R/3`
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