Eddy Currents

Type of activity: demo
Activity code:  M-002a


Description:

1. Use weighted stand. 
2. Adjust height of clamp holder so plates swing freely through gap.

Method:
1. Clamp hollow metal ring between holder. 
2. Hold sample at 30 degree angle. 
3. Release it and observe the magnet damp it's swing. 
4. Now clamp a metal ring with slit between the holder. 
5. Repeat part 2, but note the magnet has little effect. 
6. Magnet shows no effect on plastic or wooden samples.

Apparatus

Clamp (Flask)
Retort Stand
Magnet (Large)
Pivot
Plastic and Metal Samples
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