Eddy Currents Induced in a Slotted Metal Plate
Eddy currents induced in a slotted metal plate entering a magnetic field form small loops, and the forces on them tend to cancel, thereby making magnetic drag almost zero.
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"OpenStax College, Eddy Currents and Magnetic Damping. February 8, 2013."
http://cnx.org/content/m42404/latest/
OpenStax CNX
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