5G20.30 Compass Array

Concepts

Magnetic domain of a magnet

Overview

An array of compass needles mounted on pivots may be used to demonstrate magnetic domains.

Details

Equipment

  • [1] Compass array
  • [1] Bar magnet
  • [1] Overhead projector

Script

  1. Place the compass array on the overhead projector. Note the direction of the needles.
  2. Place the bar magnet beneath the compass array. Note the direction of the needles.

 

Additional Resources

References

  • PIRA 5G20.30

Disclaimer

  • Don't attempt this at home!

Last revised

  • 2020

Technicals

  • The compass array consists of 24 compass needles (4 x 6) mounted on plexiglass. We have two identical units of the compass array.

Related AV

Related demos

 

If you have any questions about the demos or notes you would like to add to this page, contact Ricky Chu at ricky_chu AT sfu DOT ca.