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This demonstration shows eddy currents in an aluminum rod as it rolls in a magnetic field. When the aluminum rod rolls down the rails and enters the magnetic field it appears to slow down.
* Equipment seen in the video may vary from equipment used in ND Demonstrations. See information and images below for ND equipment and setup.
Optional:
* Equipment seen in the video may vary from equipment used in ND Demonstrations. See information and images below for ND equipment and setup.
Setup:
Place the apparatus on the lab table. Connect the webcam to the projector system and set it up to view the apparatus.
Place the rod on the rails and release it. The rod will roll down the rails and slow down when it enters the magnetic field.
Notes:
If a battery is connected across the rails, the rod will roll back up the ramp once it enters the magnetic field.
Courses Used In:
PHY 10320
PHY 20435
PHY 30220
Discussion and Polling Questions:
Coming Soon
Equipment Needed:
Rail Roll Apparatus with Magnet and Small Rod
Optional:
6V Battery
Two Alligator Cables
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