1.

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

Answer»

`epsilon_0 Aa^3`
`4PI epsilon_0 Aa^2`
`A epsilon_0 a^2`
`4 PI epsilon_0 Aa^3`

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