V2EX voltage

Voltage

定义 Definition

“Voltage” 指电压(电势差),表示推动电荷在电路中流动的“驱动力”,单位是伏特(V)。(此外在引申用法中也可指“紧张气氛/强烈对立”,但最常见义为电学中的电压。)

发音 Pronunciation (IPA)

/voltd/

例句 Examples

The battery provides 1.5 volts of voltage.
电池提供 1.5 伏的电压。

When the voltage drops under load, the device may restart unexpectedly.
当在负载下电压下降时,设备可能会意外重启。

词源 Etymology

“Voltage” 来自 volt(伏特),而 volt 是为纪念意大利科学家亚历山德罗伏打(Alessandro Volta)命名;后缀 -age 常用于构成名词,表示“状态、总量或性质”,因此 “voltage” 就是“以伏特计的电势差/电压”。

相关词 Related Words

文学作品 Literary Works

  • Mary Shelley, Frankenstein(常见版本中涉及电学与“电”的讨论,语境里会出现与电压/电流相关的术语)
  • H. G. Wells, The Time Machine(含电力装置与电学描写的版本/节选中常出现电学词汇,如 voltage 等)
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