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Energie > Joule > Electron Volt (en)

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0112/2///62720#UAA425Electron Volt (en)  

定义

  • An electron volt (eV) is the energy that an electron gains when it travels through a potential of one volt. You can imagine that the electron starts at the negative plate of a parallel plate capacitor and accelerates to the positive plate, which is at one volt higher potential. Numerically $1 eV$ approximates $1.6x10^{-19} joules$, where $1 joule$ is $6.2x10^{18} eV$. For example, it would take $6.2x10^{20} eV/sec$ to light a 100 watt light bulb.

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  • http://dbpedia.org/resource/Electron_volt

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https://vocab.sentier.dev/units/unit/EV

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