ELECTRICITY AND MAGNETISM - MAGNETIC MATERIALS - MAGNET DOMAINS & MAGNETIZATION NC State University Faculty Access

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Electromagnet
# 5G20.70


Description: This compact electromagnet is able to lift up to 200 pounds with only one or two 1 1/2 volt D cell batteries as a power source. This is due to precision machining of the flat surfaces (core and yoke). Compare it to cranes that can lift automobiles around a junk yard.

Parts: electromagnet and one D cell battery.

Purchased/Built: purchased

Setup Time: 1 hour

Quant. in Demo Room: 1

Source: Central Scientific

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 19-12 A magnet powered by a 1.5 V battery lifts a large weight.
Freier and Anderson Es-5 A simple electromagnet.

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