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。

youdao

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。

youdao