ohm

views updated May 23 2018

ohm / ōm/ • n. the SI unit of electrical resistance, expressing the resistance in a circuit transmitting a current of one ampere when subjected to a potential difference of one volt. (Symbol: Ω) DERIVATIVES: ohm·ic / ˈōmik/ adj.ohm·i·cal·ly / ōmik(ə)lē/ adv.

ohm

views updated May 11 2018

ohm (symbol Ω) SI unit of electrical resistance, equal to the resistance between two points on a conductor when a constant potential difference of one volt between them produces a current of one ampere.

ohm

views updated May 18 2018

ohm (ohm) n. the SI unit of electrical resistance, equal to the resistance between two points on a conductor when a constant potential difference of 1 volt applied between these points produces a current of 1 ampere. Symbol: Ω.

ohm

views updated Jun 08 2018

ohm unit of electrical resistance. XIX. f. name of Georg Simon Ohm, German physicist (1787–1854).

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