Question

A positive charge +Q is distributed uniformly throughout the volume of an insulating sphere with radius R. Find the electric potential V at a point P a distance r from the center of the sphere. Plot the electric potential V vs. the distance r from the center of the sphere for 0 < r < 2R

Answer #1

Here, applying Gauss Law

=> E * A = Q/eo

=> electric field at distance ,r = kQr/R^{3}

Thus, electric potential at distance ,r =

= (kQ/2R) * (3 - r^{2}/R^{2})

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(physics 2)
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