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单词 electromotive force
释义

WordReference Random House Unabridged Dictionary of American English © 2024
electromotive force, [Elect.]
  1. Electricitythe energy available for conversion from nonelectric to electric form, or vice versa, per unit of charge passing through the source of the energy;
    the potential difference between the terminals of a source of electrical energy: expressed in volts. Abbr.: emf  Also called pressure. 
  • 1825–35

Collins Concise English Dictionary © HarperCollins Publishers::
electromotive force n
  1. a source of energy that can cause a current to flow in an electrical circuit or device
  2. the rate at which energy is drawn from this source when unit current flows through the circuit or device, measured in volts
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更新时间:2024/11/10 7:53:28