• ID Code: J5-12
  • Purpose: Visualize the magnetic field around a two-turn helix.
  • Description: The magnetic field around a two-turn helix can be visualized by sprinkling iron filings in the area around where the helix passes through a plastic sheet which is positioned on an overhead projector. Alternatively, small compasses can be arranged within and around the helix.
  • Availability: Available
  • References: http://www.physics.umd.edu/deptinfo/facilities/lecdem/services/refs/refsj.htm#J5-12