What is the energy unit in SI? The joule.
国际单位制中的能量单位是什么,焦耳。
What people did is they said let's define a unit of energy that represents a unit charge accelerated across a unit potential difference, and let's call that the electron volt.
前人们所做的就是他们说让我们确定,一个能量单位用来代表一单位电荷,加速穿过形成的一单位电势差,我们叫它电子伏特。
Why don't we define a new unit of energy That isnear to what we have to measure?
为什么我们不确定一个新的能量单位,它近似于我们需要测量的一些量?
eV It is a unit of energy. Now, this is 1.0 eV.
它是以单位的能量,现在,这有1。
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