V2EX short circuit

Short Circuit

Definition 定义

short circuit(名词/动词):短路;指电路中电流不按设计路径流动(通常因两点直接接触、阻抗过低),导致电流骤增,可能引发保险丝熔断、设备损坏或火灾。引申义可指“让某事提前中断/绕过正常流程”(较口语、比喻用法)。

Pronunciation 发音

/rt skt/

Examples 例句

The phone won’t turn on because the battery short-circuited.
手机打不开了,因为电池短路了。

A tiny bit of moisture can short circuit the control board, which is why the device must be kept in a dry environment during operation.
一点点潮气就可能让控制板短路,所以设备运行时必须保持干燥环境。

Etymology 词源

short 有“短的、不足的”之意,circuit 来自拉丁语 circuitus(“环行、绕行、回路”),合在一起字面意思是“较短的回路”。在电学语境中,它指电流走了“更短、阻抗更低”的意外路径,从而造成异常大电流,这就是“短路”的核心概念。

Related Words 相关词

Notable Works 作品示例

  • The Art of Electronics(Horowitz & Hill)在电路保护、故障分析等章节中频繁讨论短路与过流现象。
  • Practical Electronics for Inventors(Paul Scherz & Simon Monk)介绍基础电路时常用“short circuit/short”说明常见连接错误与安全风险。
  • Ugly’s Electrical References(Charles R. Miller)电工参考手册中用该术语解释短路电流、故障排查与保护装置。
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