Homopolar Motor
Type of activity: experiment
Activity code: 00000
Related items:
Description:
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Attach a small 3/8" neodymium magnet onto the flat end of a AAA battery. Make a loop out of the bare wire, balance it on the positive terminal while shorting it out with the magnet connected to the negative terminal, and watch it fly! It helps if you dimple the positive terminal first. |
Apparatus
wire
Alkaline batteries (AA)
10:30-11:30am, 2:00-2:30pm Outreach MP125A