Winch, Ralph P. Formerly, Department of Physics, Williams College, Williamstown, Massachusetts.
Bailey, A. Earle Formerly, Electrical Science Division, National Physical Laboratory, London, United Kingdom.
Last reviewed:January 2019
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- Field strength
- Principle of superposition
- Electric displacement
- Additional Readings
A condition in space in the vicinity of an electrically charged body such that the forces due to the charge are detectable. An electric field (or electrostatic field) exists in a region if an electric charge at rest in the region experiences a force of electrical origin. Because an electric charge experiences a force if it is in the vicinity of a charged body, there is an electric field surrounding any charged body (Fig. 1). See also: Electric charge
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