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电是怎样转换成磁的
更新时间： 2020-10-26 00:00:00  

电流磁效应因磁通量变化产生感应电动势的现象。电与磁的关系：当导体内有电流通过时，导体的周围便产生磁场（磁体周围具有磁力作用的空间），即电生磁。当导体切割磁力线或穿过线圈的磁力线发生变化时，导体或线圈内便会产生感应电动势或感生电流，即“磁生电”。

关键词： 怎样 转换

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