Conventional current
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John
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Resumé
在学习电流和电压时,电流的定义通常与导线有关。以铜线为例,内部的电子带有负电荷,当施加电压时,电子会朝向正电压移动,这被称为电子电流。传统上,电流的方向是指正电荷的移动方向,这就是所谓的常规电流方向。在电路设计中,电池提供能量,电子沿着电路流动,而常规电流方向则是从正极流向负极。理解这一点对于电路的构建至关重要。
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