Electricity/Magnetism




Magnetic fields and forces

5H40.11 Parallel wires-Attraction
Use: Long vertical parallel wires attract. Current goes in same direction in both wires.

 
Setup: Version shown in picture no longer available. See 5H40.10 for current version. Some. Arrange before class. Battery may need recharging.
Equations: Force proportional to I x L x B
Safety Issues: High current. Do not leave switch closed more than a few seconds to avoid overheating wires and damaging insulation.


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Copyright ©1996, James Clark