PIRA 5H15.10 - Magnetic Fields: Iron filings around a Current in
a Wire.
Photo Shows the Demo Apparatus Used by the University
of Texas at Austin.
Instructions / Notes:
- Demonstration includes a wire loop with a clear platform and
a high amperage power supply, (shown above).
- Blue paper was inserted under the clear platform for photographic purposes.
- Sprinkle iron filings on the removable plexiglass disc.
- Switch on the power supply
- Repeatedly tap the plexiglass disc on its underside to encourage alignment.
- Turn-off power supply and place the plexiglass disc on an overhead projector
- or - document camera.
Photo Shows the Demo Apparatus Used by the University
of Texas at Austin.
Drawing is by Courtesy of the University of Minnesota.
Last Updated 10/15 - University of Texas at Austin Physics Dept.
- All Rights Reserved.