Re: Force on a Capacitor Plate

[Doug Craigen <dcc@ESCAPE.CA>]

"John S. Denker" wrote:
> No, but I have great faith in the principle of virtual work, i.e.
>          F_x = - d(Energy) / dx

Put like this it looks pretty straightforward.  For any plate position
the energy is relative permittivity times the free space energy, and the
relative permittivity is a constant which can then be factored out of
the derivative.

\_/^\_/^\_/^\_/^\_/^\_/^\_/^\_/^\_/^\_/^\_/^\_/^\_/^\

Doug Craigen
          http://www.dctech.com/physics/about_dc.html