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Charged disk; was electrostatig

As I explained a minute ago, it is better to avoid a cyliner
because it has sharp edges. To be realistic you must
assume they are not "infinitely sharp" and intruduce
the radius of curvature at some level. I suggested that
we do this at the level of the thickness. The surface
of the disk becomes smooth.

Leigh Palmer wrote:

That works for me, too. Take John's wire to a cylinder
with, say, a 1:1 length to diameter aspect ratio, with a ....