| 单词 | ohm |
| 释义 | ohm (oʊm) Word forms: plural ohms countable noun An ohm is a unit which is used to measure electrical resistance. [technical] ...a resistance of 40 ohms. Ohm in British English (əʊm) noun Georg Simon (ˈɡeːɔrk ˈziːmɔn). 1787–1854, German physicist, who formulated the law named after him ohm in British English (əʊm) noun the derived SI unit of electrical resistance; the resistance between two points on a conductor when a constant potential difference of 1 volt between them produces a current of 1 ampere Symbol: Ω Word origin C19: named after Georg Simon Ohm ohm in American English (oʊm) noun the basic unit of electric resistance in the SI and MKS systems, equal to the resistance of a circuit in which an electromotive force of one volt maintains a current of one ampere symbol, ΩDerived forms ohmic (ˈohmic) adjective Word origin after G. S. Ohm (1789-1854), Ger physicistohm in Electrical Engineering (oʊm) Word forms: (regular plural) ohms noun (Electrical engineering: Circuits, Electrical power, Computing and control) An ohm is a unit of measurement of electric resistance. The symbol for an ohm is Ω or W. One ampere is the unit of measurement of electrical current produced in a circuitby 1 volt acting through a resistance of 1 ohm. With an ordinary coil of around 10,000 ohms resistance, the most powerful arc would be produced with about 12,000 alternationsper second. An ohm is a unit of measurement of electric resistance. Examples of 'Ohm' in a sentence |
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