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## Homework Statement

http://img228.imageshack.us/img228/2536/physcisme1.th.png [Broken]

## Homework Equations

[tex] I = \int \int J . dS [/tex]

[tex] V = - \int E . dl[/tex]

[tex] V = IR[/tex]

## The Attempt at a Solution

I'm not really sure how to get started on this problem, generally I would start with Laplace's equation but due to its irregular shape, I don't think that I can use that for this situation.

J is a function the length of the shape, but not sure how to formulate it into something useful

Does anyone know how I can get started on this?

[tex]I(z) = \int_0^h \int_0^{2\pi} \mathbf{J}(z) z d\phi dz[/tex]

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