Question

1. (a) Define a law of electrostatics in integral form that is used to compute the...

1.
(a) Define a law of electrostatics in integral form that is used to compute the
electrostatic field E due to a symmetric distribution of charge within a given volume. State the meaning of the terms in the defining equation.

(b) A uniformly charged long cylinder of radius a and length L has total charge q inside its volume.

What is the direction of the electric field at points outside the cylinder?   

Find the electric field inside and outside the cylinder.

(c) Total charge q is distributed along a line of length L. Determine the electric field produced by the wire using Gauss’s law. Compare this result with the result in part (b).

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