There occur the electrical difference in the copper ore and its wall rock, which possesses physical terms prior to look for the good conductor.

铜矿与围岩存在电性差，具备寻找良导体的物理前提条件。

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The electrical energy generated originally by the wind turbines originally is stored as a temperature difference between the two rock-filled silos.

这种电能最初由风力涡轮机发电产生，然后以温差的形式存储于两个装满砂砾的筒仓里。

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And the electrical energy is the product of the charge on the electron times the voltage which is the potential difference through which the electron was accelerated. And so this allows me to, by increasing the voltage, increase the energy on the electron.

电子能量是电子上的电荷数,乘以电压的结果,这是种内在的差距,通过它电子运动得以加速，这也让我，通过增强电压，来增加电子能量。

麻省理工公开课 - 固态化学导论课程节选

They could also provide an atmospheric electrical potential difference, which otherwise might not exist, to achieve precisely aimed and timed lightning strikes.

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In the brain, the signals travelling through the synapses rely on action potential, which is the electrical energy created by the difference in concentrations of charged atoms (ions) on the inside and outside of neuron, which move back and forth through ion channels.

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