# Eletric field within a cavity of a cylinder.

1. Aug 24, 2008

### PenKnight

1. The problem statement, all variables and given/known data
Considering a cylinder of radius, R, and length D with uniform charge density p containing a spherical cavity of radius R/2. Find the field in the cavity.

The cavity sits on one side of the cylinder so that it's diameter spans from the concave face of the cylinder to the center.I'm not sure at what length the cavity is. Probably at D/2. I think that D > R as well.

3. The attempt at a solution
I'm not sure where to start. The only thing that is symmetrical about this problem is that you can cut the shape in half and have two mirror pieces.

Can you help with the solution or looking for help too?
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