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A teflon spaced parallel plate capacitor has dimensions 20cm x 100cm x .5mm thick. Given a...

A teflon spaced parallel plate capacitor has dimensions 20cm x 100cm x .5mm thick. Given a potential difference Vab=200V across plates calculate a) the surface charge density, b) the electric field in the region between the plates, c) the electric potential midway between the plates.

Also d) the potential energy stored in the capacitor and the energy density between he 2 plates.

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