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ohm

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ohm

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++
Related topics: Electricity, Electricity
ohm /əʊm $ oʊm/ noun [countable]  TPEa unit for measuring electrical resistance 欧姆〔电阻单位〕
Examples from the Corpus
ohmA 3-phase 15° step-angle variable-reluctance motor has a rated phase current 01 2.0A and a phase winding resistance of 5.0 ohms.For example, a resistor pack might contain ten of each value in the E12 series from 10 ohms to 10M.Either way it has an output of 100 watts per side into 4 ohms, or 70 watts into 8 ohms.Mr Roberts quotes typical values of capacitor and primary coil resistance of and 0.7 ohm respectively.Note also that an 8 ohm loudspeaker is needed.Finally, there are two 8 ohm speaker outputs, with one being used for the unit's internal driver.Accuracy is cited both in percent error and as the shortfall in ohms.
Origin ohm (1800-1900) Georg Simon Ohm (1787-1854), German scientist
ohm nounChinese
resistance Corpus electrical measuring a for unit


ohm
ohm /əʊm $ oʊm/ noun [countable]
 Date: 1800-1900
 Origin: Georg Simon Ohm (1787-1854), German scientist
a unit for measuring electrical resistance


ohmBrE /əʊm/ 🔊NAmE /oʊm/ 🔊 noun (physics 物理) a unit for measuring electrical resistance 欧姆(电阻单位)