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A very long non-conducting cylindrical rod of length L and radius a has a total charge...

A very long non-conducting cylindrical rod of length L and radius a has a total charge – 2q uniformly distributed throughout its volume. It is surrounded by a conducting cylindrical shell of length L, inner radius b, and outer radius c. The cylindrical shell has a total charge +q. Determine the electric field for all regions of space and the charge distribution on the shell.

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