V2EX equipotential

Equipotential

释义 Definition

等势的;等电位的(物理):指空间中电势(或引力势等“势”)处处相同的状态或位置;常见搭配有 equipotential line(等势线)equipotential surface(等势面)。也可作名词指“等势线/等势面”。

例句 Examples

The diagram shows equipotential lines around the charge.
示意图展示了电荷周围的等势线。

Because equipotential surfaces have constant potential, the electric field is perpendicular to them, and no work is done moving a charge along an equipotential path.
由于等势面上的电势处处相同,电场方向与等势面垂直,沿等势路径移动电荷不会做功。

发音 Pronunciation (IPA)

/i.kw.ptn.l/

词源 Etymology

由 **equi-**(“相等、均等”,源自拉丁语 aequus)+ potential(“势;潜在的”,源自拉丁语 potentia “力量、能力”)构成。字面意思就是“势相等的”,因此在电学、引力场等场论语境中表示“等势”。

相关词 Related Words

文学与经典作品 Literary Works

  • James Clerk Maxwell, A Treatise on Electricity and Magnetism(大量使用“equipotential surfaces/lines”的概念来阐述电场与电势关系)
  • Richard P. Feynman, The Feynman Lectures on Physics, Vol. II(在电学章节讲解电势、等势面与电场方向)
  • David J. Griffiths, Introduction to Electrodynamics(常用“equipotential”配合图示解释电势与场的几何直观)
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