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Magnetic Fields Produced by a Bar Magnet, Electric Current, and Magnetic Dipoles

Type of activity: demo
Activity code:  M-007

Description:

1. Set up as shown. 
2. Shake iron filings prior to placement over magnet. 
3. Do not turn power supply over 6 volts at 10 amps.

1. Magnetic fields produced by a bar magnet and electric current. 
2. Magnetic domain model.

 

Apparatus

Power Supply (6-12V)
Power Supply (6-12V)
Toroid Transparency
Magnets on Transparency
Iron Filings (in solution)
Iron Filings (in solution)
Floating Compass
Solenoid
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