V2EX electrodynamics

Electrodynamics

释义 Definition

电动力学:研究电荷与电流产生的电磁场以及它们之间相互作用的物理学分支,是经典电磁学的重要部分(常以麦克斯韦方程组为核心)。

发音 Pronunciation (IPA)

/lktrodanmks/

例句 Examples

Electrodynamics explains how electric charges create forces.
电动力学解释电荷如何产生力。

In classical electrodynamics, Maxwell’s equations unify electricity and magnetism into a single framework and predict electromagnetic waves.
在经典电动力学中,麦克斯韦方程组把电与磁统一在同一理论框架内,并预言了电磁波的存在。

词源 Etymology

来自 **electro-**(与“电”有关,源自希腊语 ēlektron,意为“琥珀”,古人观察到琥珀摩擦后能吸引轻小物体的静电现象)+ dynamics(“动力学”,源自希腊语 dynamis,意为“力量、能力”)。合起来表示“研究电相关相互作用与力学效应的学科”。

相关词 Related Words

文学与名著用例 Literary & Notable Works

  • James Clerk Maxwell,《A Treatise on Electricity and Magnetism》(《电与磁论》)
  • Richard P. Feynman, Robert B. Leighton, Matthew Sands,《The Feynman Lectures on Physics, Vol. II》(《费曼物理学讲义》第二卷,重点讨论电磁学/电动力学)
  • John David Jackson,《Classical Electrodynamics》(《经典电动力学》)
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