An electromagnet is a temporary strong magnet made of a piece of soft iron when current flows in the coil wound around it. It is an artificial magnet.

Electromagnets are mainly used for the following purposes:

  • To lift and transport large masses of iron scrap, girders, plates, etc.
  • To load furnaces with iron.
  • To separate magnetic substances such as iron from debris and raw materials.
  • To remove pieces of iron from wounds.
  • Several electrical devices such as electric bells, telegraphs, electric trams, electric motors, relays, microphones, loudspeakers, etc.
  • In scientific research, to study the magnetic properties of a substance in a magnetic field.

Electromagnetism PDF

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