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Electric field

charges force charge

Electric field, field that surrounds an electric charge and exerts force on any nearby electric charges. The concept of field considers one charge as central. The force is an attractive force between unlike charges and repellent between like charges. In empty space, unit charges 1 cm apart produce a force of 1 dyne. The force is reduced when a medium, or dielectric, separates the charges.

See also: Electricity.

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