Gauss' Law Video Lessons

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Problem: A hollow conducting sphere of radius R carries a negative charge -q. (a) Write expressions for the electric field E inside (r<R) and outside (r>R) the sphere. Also indicate the direction of the field. (b) Sketch a Graph of the field strength as a function of r.

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(a)

We're told that the conducting sphere is hollow and is carrying a negative charge, -q.

Inside the conducting sphere, when radius, r<R, the electric field is zero.

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Problem Details

A hollow conducting sphere of radius R carries a negative charge -q. (a) Write expressions for the electric field E inside (r<R) and outside (r>R) the sphere. Also indicate the direction of the field. (b) Sketch a Graph of the field strength as a function of r.

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