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单词 Poynting's theorem
释义

Definition of Poynting's theorem in English:

Poynting's theorem

noun
Physics
  • The theorem that the rate of flow of electromagnetic energy through a closed surface is equal to the integral over the surface of the Poynting vector.

Origin

Late 19th century; earliest use found in Joseph Thomson (1856–1940), physicist.

Definition of Poynting's theorem in US English:

Poynting's theorem

noun
Physics
  • The theorem that the rate of flow of electromagnetic energy through a closed surface is equal to the integral over the surface of the Poynting vector.

Origin

Late 19th century; earliest use found in Joseph Thomson (1856–1940), physicist.

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更新时间:2025/2/7 9:37:31