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正极和负极哪个电势高
更新时间: 2020-11-08 00:00:00  

正极电势高,电场线由正极指向负极,沿电场线方向电势是降低的。

电场线是为了直观形象地描述电场分布而在电场中引入的一些假想的曲线。曲线上每一点的切线方向和该点电场强度的方向一致;曲线密集的地方场强强,稀疏的地方场强弱。

关键词: 正极 负极 哪个

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