ELECTRICITY AND MAGNETISM - ELECTROMAGNETIC INDUCTION - EDDY CURRENTS NC State University Faculty Access

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Eddy Current Pendulum
# 5K20.10


Description:

Displace the pendulum and let it swing. It stops dead between the poles. Repeat with the slotted plate and slit ring.

The following video shows all three pendulums in action.



Purchased/Built: purchased

Quant. in Demo Room: 2

Source: Pasco Scientific

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 20-24 Copper, wood, etc. bobs are swung in a large permanent magnet.
Freier and Anderson El-3 A copper sheet and comb, ring and broken ring are swung through a large electromagnet.
The American Journal of Physics AJP 30(6),453 Apparatus Drawings Project No. 29: Large electromagnet accessories, one of four. Plans for a large eddy current pendulum to go on the large electromagnet from No. 13.

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