English Explanatory Dictionary

Poynting's theorem

English dictionary entry

Meanings

name
  1. A statement of conservation of energy for electromagnetic fields, stating that, in a given volume, the stored energy changes at a rate given by the work done on the charges within the volume, minus the rate at which energy leaves the volume.

Word forms

Poynting's theorem

Etymology

Developed by British physicist John Henry Poynting.

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