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如何判断物体有磁性
更新时间: 2020-09-24 00:00:00  

1、看它是否吸引铁、钴、镍等物体。

2、看它是否与另一个磁体的某一端相排斥。

3、悬吊起来,看它静止时是否指南北。

4、悬吊起来后,将一个通电螺线管的某一端靠近它的某一端,看它们是否有相互作用。

关键词: 如何 判断 物体 磁性

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