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Re: capacitance of a disk

This is an addendum to my last post.

In case anyone is interested in the exact general result for the
capacitance (to infinity) of an arbitrary conducting oblate spheroid of
semimajor axis a and eccentricity e (the formula being simple enough to
readably write in ASCII), it is

C = 4*[pi]*[epsilon]_0*a*e/arcsin(e) .

David Bowman
David_Bowman@georgetowncollege.edu