V2EX inductance

Inductance

定义 Definition

名词 (n.) 电感;感应系数。指导体因电流变化而产生感应电动力的性质,是电磁学中的基本物理量,单位为亨利(Henry, H)。

发音 Pronunciation

/ndktns/

例句 Examples

The inductance of this coil is measured in henries.
这个线圈的电感以亨利为单位来测量。

When designing high-frequency circuits, engineers must carefully account for parasitic inductance, which can cause unwanted signal distortion.
在设计高频电路时,工程师必须仔细考虑寄生电感,因为它可能导致不必要的信号失真。

词源 Etymology

该词源于英语动词 induct(引入、感应),加上名词后缀 -ance 构成。induct 来自拉丁语 inductus,是 inducere 的过去分词,意为"引入、导入",由 **in-**(向内)和 ducere(引导)组成。19世纪,随着电磁学的发展,物理学家借用该词来描述导体中因电流变化而产生感应电动力的特性。这一概念与法拉第和亨利等科学家的研究密切相关。

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(James Clerk Maxwell)的《电磁学通论》(A Treatise on Electricity and Magnetism, 1873)中系统阐述了电感的数学理论。
  • 理查德费曼(Richard Feynman)的《费曼物理学讲义》(The Feynman Lectures on Physics, 1964)以通俗易懂的方式讲解了电感及其在电路中的作用。
  • 保罗霍洛维茨(Paul Horowitz)与温菲尔德希尔(Winfield Hill)合著的《电子学的艺术》(The Art of Electronics, 1980)中大量涉及电感在实际电路设计中的应用。
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