Interesting video ...

Levitation of an Electromagnetic Induction Coil

by 1WiCfWNA84nHcq9uELV3xA
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...

From: icon YouTube   URL: http://www.youtube.com/watch?v=WX1fkfJPWpY