Electromagnet is a temporary strong magnet made from a piece of soft iron when current flows in the coil wound around it. It is an artificial magnet. The polarity and magnetic field strength can be changed. Demagnetized by switching off the current.
Uses: lifting and transporting huge masses of iron scrap, loading furnaces with iron, electric bell, electric fans, electric motors, etc.
Electromagnet and Electromagnetic Induction PDF
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