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Unformatted text preview: 2 n r θ z r’ ^ ^ ^ Area element: da=r’dr’dΦ=z tan θ d(z tan θ )dΦ=z 2 tan θ / cos 2 θ dθdΦ=r 2 tan θdθdΦ Note that only r.n gives a non-zero contribution after integration. ^ ^...
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This note was uploaded on 12/29/2011 for the course PHYSICS 411 taught by Professor Agshe during the Summer '11 term at Maryland.
- Summer '11