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J5-33. Torque On A Bar Magnet

Purpose

To demonstrate the torque on a bar magnet in a magnetic field.

Equipment

Mounted horseshoe magnet with suspended bar magnet as photographed.

Image

J5-33

Description

A small bar magnet is suspended on a rotating pivot between the poles of a horseshoe magnet. If the bar magnet is turned and released it rotates back to its original position due to the torque applied by the magnetic field of the horseshoe magnet.