条形磁铁或马蹄形磁铁的磁态是极其复杂的。
The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated.
这些涡旋电流的方向能够引起圆盘跟随马蹄形磁铁旋转。
These eddy currents are in such a direction as to cause the disk to follow the rotation of the horseshoe magnet.
悬挂着的导线下端放在一个小型马蹄形磁铁的两个磁极之间。
The bottom part of the hanging wire is placed between the poles of a small horseshoe magnet.
悬挂着的导线下端放在一个小型马蹄形磁铁的两个磁极之间。
The bottom part of the hanging wire is placed between the poles of a small horseshoe magnet.
应用推荐