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Dave wrote:
Gene Fuller wrote: Cecil Moore wrote: Try looking in any basic physics text. I believe you will find discussion of electrostatic forces, equipotential surfaces, fields, and Gauss' law. It is doubtful that you will find any technical description of charge equalization. On the contrary, my DC circuits book has an example of the charges on two identical capacitors equalizing when they are paralleled. If I cause 10 coulombs of charge to be on a 10 meter long wire, do I not have a uniform charge distribution of 1 coulomb per meter on the wire, under dc steady state conditions? Isn't this required for any equipotential surface? Dave, No. A good conductor in DC conditions will have an equipotential surface. Charge distribution depends on the shape of the object and the external environment. The wire you describe will have higher charge density near its ends. Electrostatic analysis would be a lot easier if what you suggested was true. 73, Gene W4SZ |
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