V2EX electromagnetism

Electromagnetism

定义 Definition

名词 (n.) 电磁学;电磁现象。指电与磁之间相互作用的物理现象及研究这些现象的学科。电磁学是物理学的一个重要分支,研究电场、磁场及它们之间的关系。

发音 Pronunciation

/lk.trom.n.t.zm/

例句 Examples

Electromagnetism is one of the four fundamental forces of nature.
电磁力是自然界四种基本力之一。

Maxwell's equations unified the theories of electricity and magnetism into a single framework of electromagnetism, revolutionizing our understanding of physics.
麦克斯韦方程组将电学和磁学理论统一为电磁学的单一框架,彻底革新了我们对物理学的理解。

词源 Etymology

该词由 **electro-**(源自希腊语 ēlektron,意为"琥珀",古希腊人发现摩擦琥珀可以产生静电)和 magnetism(源自希腊语 magnēs lithos,意为"磁石",因小亚细亚的 Magnesia 地区盛产天然磁石而得名)组合而成。19世纪初,丹麦物理学家奥斯特发现电流能使指南针偏转,揭示了电与磁之间的内在联系,此后 electromagnetism 一词开始被广泛使用,用以描述电与磁统一的物理现象。

相关词汇 Related Words

文学与学术引用 Literary & Academic References

  • 詹姆斯克拉克麦克斯韦的经典著作《A Treatise on Electricity and Magnetism》(1873)系统阐述了电磁学理论,被视为该领域的奠基之作。
  • 理查德费曼的《The Feynman Lectures on Physics》中用大量篇幅深入浅出地讲解了电磁学的核心概念。
  • 大卫格里菲斯的《Introduction to Electrodynamics》是当代物理学教育中最广泛使用的电磁学教材之一。
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