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The electric field in a certain region i...

The electric field in a certain region is acting radially outwards and is given by `E=Ar. A` charge contained in a sphere of radius `'a'` centred at the origin of the field, will given by

A

`4 pi epsilon_(0)Aa^(3)`

B

`epsilon_(0)Aa^(3)`

C

`4 pi epsilon_(0) Aa^(3)`

D

`A epsilon_(0)A^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`ES=Q/(epsilon_(0))`
`(Aa)xx4 I a^(2) =Q/(epsilon_(0)) , Q=4pi epsilon_(0) Aa^(3)`
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