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Magnetics and electromagnetics

Published 02.05.2011 Presenter Anton Pankratov

Magnetics and electromagnetics

There is natural iron ore able to draw steel or cast iron objects. This ore is called natural magnet. If you apply steel or cast iron objects to it, these will also become magnetic.
Carbon steel objects preserve their magnetic properties even after the exposure to the magnet has ended. Such steel objects are called artificial magnets ...