磁是一种物理现象,磁学是研究磁现象个一个物理学分支,磁性是物质响应磁场作用个性质。磁性表现勒顺磁性物质或铁磁性物质(如铁钉)会趋向于朝着磁场较强个区域移动,即被磁场吸引;反磁性物质则会趋向勒朝着磁场较弱个区域移动,即被磁场排斥。
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