当导体中有电流通过时,一定是所有自由电荷发生定向移动吗?
当导体中有电流通过时,一定是所有自由电荷发生定向移动吗?
物理人气:658 ℃时间:2019-09-06 09:02:34
优质解答
不是的,电流是因为负电荷的定向移动形成的,一般正电荷不会移动是所有的自由电子都移动吗?是的
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