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## Homework Statement

We have a solid cylinder of radius R

_{0}, and it has a uniform charge density p. The length is much greater than its radius, so it appears almost infinite.

## Homework Equations

Find the electric field inside the cylinder where r<R

_{0}and outside the cylinder where r>R

_{0}

## The Attempt at a Solution

I know that you need to use Gauss's law on this and I believe that for inside the cylinder it will be E= p/(pi*r^2*ε0)

Will it be the same for outside the insulator?