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point charge

an electric charge considered to exist at a single point, and thus having neither area nor volume.
Origin of point charge
1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for point-charge
Historical Examples
  • Again take the case of two parallel infinite planes under the influence of a point-charge between them.

    Lord Kelvin Andrew Gray
  • These charges and positions can be calculated from the result for a single sphere and point-charge.

    Lord Kelvin Andrew Gray

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