摘要
永磁体的磁极同性相斥异性相吸现象是人所共知的常识,但在一定条件下却能表现出同性磁极相吸现象.本文对这一现象进行了讨论.
It is well known that two like magnetic poles repel each other. However, this will not always be true. On the special conditions, two like magnetic poles maybe attract each other.
出处
《大学物理》
北大核心
2005年第9期42-43,56,共3页
College Physics
关键词
永磁体
演示实验
磁极
同性相斥
同性相吸
permanent magnet
demonstration experiment
magnetic poles
two like magnetic poles repel each other
two like magnetic poles attract each other