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单词 ohm
释义

ohm /ōm/

noun
  1. A derived SI unit, the unit of electrical resistance (symbol Ω), equal to the resistance in a conductor in which a potential difference of one volt produces a current of one ampere
  2. Formerly defined as the resistance of a specified column of mercury under stated conditions
ORIGIN: Georg Simon Ohm (1787–1854), German electrician

ohmˈage noun

Electrical resistance measured in ohms

ohmˈic adjective

ohmˈically adverb

ohmmeter /ōmˈmēt-ər/ noun

An instrument for measuring electrical resistance

Ohm's law noun

The law that strength of electric current is directly proportional to electromotive force and inversely to resistance

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更新时间:2024/11/14 0:56:26