Most of the material is an insulator, but its surface can carry an electric current.

大部分这种材料都是一个绝缘体，但其表面仍可带一支电流。

The magnetic field creates an electric current on the tag that the phones pick up.

而这种磁场会在手机接收的标签上产生电流。

This electron flow is the electric current which is the reason for the battery's existence.

这种电子流就是电流，这就是电池存在的原因。

You're probably familiar with these fish that send out electric currents from their bodies naturally.

你可能很熟悉这些天生能够从身体发出电流的鱼。

Thus, scientists coat the casing with a conducting powder and pass an electric current through it.

因此，科学家们在外壳上涂上导电粉末，并通过它传递电流。

But Edison believes that higher voltage AC is more dangerous than the direct current electric standard he's pioneered.

但爱迪生认为 高压交流电比他倡导的直流电更加危险。

This technique uses a colored-electro active film that uses fingerprint residues as a stencil for blocking the electric current.

这种技术使用一种彩色电活性薄膜，利用指纹残留物作为模板来阻断电流。

If your dog is chained to a tree, and lighting hits it, your pooch won't survive the electric current.

如果你将狗拴在树下，一旦被闪电击中，它将无法在电流下幸存。

So the difference in light levels creates an electric current.

因此，光照水平的差异会产生电流。

In conductive materials, electrons flow around atoms, forming an electric current.

在导电材料中， 电子围绕原子流动，形成电流。

Z-pinching used an electric current through the plasma to generate a self-constraining magnetic field.

Z 夹紧使用电流通过等离子体来产生自约束磁场。

Could magnetic fields create – or induce – an electric current?

磁场会产生或 感应出电流吗？

The bulb works by passing an electric current through a thin filament, which heats it up.

灯泡的工作原理是让电流通过一根细细的灯丝，使它变热。

Can you break this down for us, some of the problems with the current electric grid infrastructure?

您能为我们解释一下当前电网基础设施存在的一些问题吗？

Water in a flooded basement can carry an electric current, downed power line submerged in floodwater can also shock.

被洪水淹没的地下室中的水可以携带电流，淹没在洪水中的倒下的电线也会触电。

So, we need a way to generate a voltage that gets charge to flow continuously, creating an electric current.

因此，我们需要一种产生电压的方法，使电荷不断流动，从而产生电流。

Next, once we can generate an electric current, we'll need a way to describe how strongly the charge flows.

然后，如果我们可以产生电流，我们需要一种方法来描述电荷流动的强度。

There, it's converted to another molecule, called acetic acid, in a special type of reactor that produces an electric current during the reaction.

在那里，它在一种特殊的反应器中转化为另一种分子，称为乙酸，在反应过程中会产生电流。

As they absorb light, electrons receive enough energy to jump across the junction between the layers, producing an electric current.

当电子吸收光时， 它们会获得足够的能量来跨越层之间的连接点，产生电流。

You'll probably be unsurprised to discover that when I connect this volt metre to the copper and zinc, it will show some electric current.

你可能会毫不意外地发现当我把电压计连接到铜和锌的时候，会有电流显示。