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单词 ohm
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释义  Related topics: Electricity, Electricityohm /əʊm $ oʊm/ noun [countable]  TPEa unit for measuring electrical resistance 欧姆〔电阻单位〕Examples from the Corpusohm• 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
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更新时间：2026/10/17 6:44:23