ohm
Longman Dictionary of Contemporary English 5++LDOCE 5++ohm /əʊm $ oʊm/ noun [countable] TPEa unit for measuring electrical resistance 欧姆〔电阻单位〕
Examples from the Corpus
ohm• A 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 scientistohm nounChinese
resistance Corpus electrical measuring a for unit
ohm
ohm /əʊm $ oʊm/
noun [countable]
ohm /əʊm $ oʊm/
noun [countable] Date: 1800-1900
Origin: Georg Simon Ohm (1787-1854), German scientist
a unit for measuring electrical resistance
Origin: Georg Simon Ohm (1787-1854), German scientist