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: the practical meter-kilogram-second unit of electric resistance equal to the resistance of a circuit in which a potential difference of one volt produces a current of one ampere
ohmic adjective
ohmically adverb

Example Sentences

Recent Examples on the Web Now flip the switch On and the meter should read less than one ohm. Joseph Truini, Popular Mechanics, 21 Oct. 2020 In general, speakers with a lower rating like 4 ohms will need a more powerful receiver to drive them, while 8-ohm speakers, which are the most common, will work with most receivers. Don Melanson, Popular Mechanics, 18 July 2018

Word History

Etymology

Georg Simon Ohm

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of ohm was in 1861

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