V2EX galvanometer

Galvanometer

释义 Definition

检流计:一种用于检测和测量微弱电流的仪器,通常通过线圈在磁场中的偏转来指示电流大小与方向。(在现代应用中也常指某些指针式电流表的核心结构。)

发音 Pronunciation (IPA)

/lvnmtr/

例句 Examples

A galvanometer can detect very small electric currents.
检流计可以检测非常微弱的电流。

In the physics lab, we used a sensitive galvanometer to measure the current produced by the electrochemical cell and confirm the reaction was occurring.
在物理实验室里,我们用一个灵敏的检流计测量电化学电池产生的电流,以确认反应正在发生。

词源 Etymology

galvanometerGalvani(意大利生理学家路易吉伽伐尼,研究“动物电”)的名字 + -meter(“测量器”)构成,字面意思是“伽伐尼式的测量仪器”,后来专指测量微弱电流的装置。

相关词 Related Words

文学作品中的用例 Literary Works

  • James Clerk Maxwell,《A Treatise on Electricity and Magnetism》(《电与磁论》):讨论电磁测量与实验仪器时会提到 galvanometer
  • Michael Faraday,《Experimental Researches in Electricity》(《电学实验研究》):在记录电学实验与测量方法时常涉及 galvanometer(或相近的检流装置)。
  • William Thomson (Lord Kelvin) 的电学测量相关论文与著作:其对检流计等电测仪器的发展与应用有大量论述,文本中常出现 galvanometer
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