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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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