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uab是否表示a端的实际电位高于b端的实际电位
更新时间: 2021-05-11 00:40:00  

1、这个没有绝对的。如果Uab的值<0,则B点为电位高,a点点位低;如果Uab为正方向,表示a点电位高,b点电位低。

2、Ub-Ua,那么前者大的话就是b的点位高,此时 Uab>0;后者大就是后者点位高,此时 Uab

关键词: uab 是否 表示 实际 电位 高于

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