通过电流加热针的尖端。

An <em>electric</em> <em>current</em> has caused heat around the tip.

电压表显示有电流通过.

The voltmeter shows that there is an <em>electric</em> <em>current</em>.

我们通常都用电流来分解水。

Typically, an <em>electric</em> <em>current</em> breaks the water down.

你如何知道电路中是否存在电流？

How did you know if <em>electric</em> <em>current</em> was flowing?

旧制电流单位(略小于一安培).

A unit of <em>electric</em> <em>current</em> equal to one an ampere.

过强的电流会使灯炮烧坏的.

An abnormally high <em>electric</em> <em>current</em> may blow out the bulb.

让电流通过铁能使铁磁化.

Iron can be magnetized by passing an <em>electric</em> <em>current</em> round it.

第四步是短路电流的计算。

The fourth step is calculation shorting out in the <em>electric</em> <em>current</em>.

这些杂质能影响通过硅的电流.

These impurities affect the way <em>electric</em> <em>current</em> moves through the silicon.

电流流过导体，就好像液体似的。

The <em>electric</em> <em>current</em> flows through the conductor as though it were a fluid.