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Levitation of an Electromagnetic Induction Coil

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Uploaded on Feb 19, 2008

This was part of a science fair project. As the voltage is increased in the coil, the magnetic flux of the coil also increases. This increase in flux coupled with sixty hertz AC creates alternating eddy currents in the conductive plate below. Every time that the current switches directions or fluctuates, the eddy currents are refreshed. Due to Lenz's Law, the magnetic flux produced by these eddy currents will always oppose the magnetic flux of the coil, causing it to levitate.

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