| 单词 | electron volt |
| 释义 | electron volt in American English a unit of energy equal to that attained by an electron falling unimpeded through a potential difference of one volt; 1.602 × 10-19 joule abbrev. eV: often written eˈlectronˌvolt noun, eˈlecˌtron-voltelectron volt in Electrical Engineering (ɪlɛktrɒn voʊlt) Word forms: (regular plural) electron volts noun (Electrical engineering: Circuits, Electrical power, Computing and control) electronAn electron volt is the unit of energy used in dealing with subatomic particles, equal to the increase in energy or the work done on an electron when passing through a potential rise of 1 volt. A unit of energy in nuclear physics is the electron volt, which is defined as the energy gained by an electron in rising through a potentialdifference of one volt. Because electron volts precisely measure such small quantities of energy, they rank as the unit of choicefor nuclear and atomic physics. An electron volt is the unit of energy used in dealing with subatomic particles, equal to the increasein energy or the work done on an electron when passing through a potential rise of1 volt. |
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