is a electromagnet a permeant magnet
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The electromagnet is often wrapped around a core of the ferromagnetic material like steel that increases the magnetic field generated by the coil.
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Thus, electromagnet is called a temporary magnet. The direction of the magnetic field through a coil of wire can be found from the right-hand rule. Electromagnets find broad application in motors and generators, transformers, relays, electric bells and buzzers, loudspeakers and headphones.
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