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Electric Field for a Spherical Shell

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A spherical shell with inner radius a and outer radius b has a total charge Q distributed uniformly throughout its volume with a charge density p. Calculate the resulting electric field for r < a, a < r < b, and b < r.

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When r<a, since there will be no net charge enclosed in any Gauss surface. From Gauss's law the electrical field is zero.

When r>b, the net ...

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