V2EX electromagnetic induction

Electromagnetic Induction

释义 Definition

电磁感应:当穿过闭合回路的磁通量发生变化时,回路中会产生感应电动势,从而可能形成感应电流的现象(常用来解释发电机、变压器等工作原理)。也可泛指这类由变化磁场引起的电学效应。

发音 Pronunciation

/lktrmntk ndkn/

例句 Examples

Electromagnetic induction is used to generate electricity in power plants.
电磁感应被用于发电厂中产生电能。

When the magnetic field through the coil changes rapidly, electromagnetic induction produces a voltage that can drive current and power the device.
当穿过线圈的磁场快速变化时,电磁感应会产生电压,从而推动电流并为设备供电。

词源 Etymology

electromagneticelectro-(电) + magnetic(磁的) 组成,表示“电与磁相关的”。induction 来自拉丁语 inducere,意为“引入、引起”,在科学语境中引申为“由某种变化而引发另一种效应”。合起来即“电磁作用下引起(电压/电流)的现象”。

相关词 Related Words

文学与经典作品 Literary Works

  • Michael Faraday,《Experimental Researches in Electricity》(《电学实验研究》):系统阐述电磁感应实验与规律。
  • James Clerk Maxwell,《A Treatise on Electricity and Magnetism》(《电磁通论》):将电与磁统一于理论框架,涵盖感应现象的数学表述。
  • Richard P. Feynman,《The Feynman Lectures on Physics》(《费曼物理学讲义》):以直观方式讲解电磁感应及其物理意义。
  • David J. Griffiths,《Introduction to Electrodynamics》(《电动力学导论》):教材中用标准形式推导并应用电磁感应相关定律。
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