放在地面上的小磁针静止时为什么指南指北

时间:2024-04-30 09:03:39 5A范文网 浏览: 平时作业 我要投稿

问题描述:

放在地面上的小磁针静止时为什么指南指北

最佳答案

因为地球南北极有磁性,南极为n极,北极为s极,刚好与磁铁异性相吸,所以磁铁n极指北极,s极指南极.

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