A spherically-symmetric charge distribution in free space (with a < r < 8) is known to have a potential function V (r) = V0a2/r2, where V0 and a are constants.

(a Find the electric field intensity;

b) find the volume charge density;

c) Find the charge contained inside radius a;

d) find the total energy stored in the charge (or equivalently, in its electric field).

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Find the charge contained inside radius a : A spherically-symmetric charge distribution in free space (with a |

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