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The simplest model of an atomic nucleus is a solid ball of radius "a" having uniform...

The simplest model of an atomic nucleus is a solid ball of radius "a" having uniform charge density "rho".

A) Find the electrical field E at all points using Gauss' Law. (inside sphere, outside sphere)

B) By integrating appropriately, find the continuous potential function "phi" such that "phi"=0 at the origin.

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