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静电为何不可用摩擦起电这事大家是知道的。两种物体一摩擦就起电,这种发电方式非常简单自然。古代人就掌握着这种发电方式:他们用毛皮摩擦琥珀,就得到了静电。当然,在平常状态下,静电是不流动的,不流动就不产生电流,电流才能点亮灯泡,所以就算是灯泡上“沾满”静电,也不会被点亮。只有让静电“流动”起来,产生电流,它才有可能点亮灯泡。
Why static electricity friction tripping it is known to everyone. Two kinds of objects on a friction on the power, this power generation is very simple and natural. The ancestors took control of this way of generating electricity: they rubbed the amber with fur and got the static electricity. Of course, under normal conditions, the static electricity is not flowing, no current is generated when no current flows, and the electric current can turn on the light bulb. Therefore, even the “stained” static electricity on the light bulb will not be lit. Only by allowing static electricity to “flow” up and produce electricity, it is possible to turn on the light bulb.