Lifting Magnet

Identifier: E&M: M - 003

A small electromagnet is suspended above a plate attached to a 25-lb weight.

Concept Overview:

Strength of an electromagnet

Lecturer Procedure

Step(s) to FollowExpected Result
  1. Connect final lead to battery pack.
  2. Bring metal plate up to electromagnet.
  3. Lift weight and hang it from the loop
The magnet and metal plate will support the weight of the 25-lb weight.
Disconnect the battery from the magnet                                                        The weight will hang on for a bit, but will eventually disengage from the plate, which will cause the weight to fall onto the aluminum plate.