A potential difference of 480 V is established between large, parallel, metal plates. Let the potential of one plate be 480 V and the other be 0 V. The plates are separated by d = 130 cm. (a) Sketch the equipotential surfaces that correspond to 0, 120, 240, 360, and 480 V. (b) In your sketch, show the electric field lines. Does your sketch confirm that the field lines and equipoten-tial surfaces are mutually perpendicular?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.