MAGNET

  • A magnet is an object which attracts pieces of iron, steel, nickel and cobalt.
  • One of the most common magnets is the bar magnet. A bar magnet is a long, rectangular bar of uniform cross section which attracts pieces of iron, steel, nickel and cobalt.

Properties of Magnet

  • A magnet has two poles near its ends: North Pole and South Pole. The end of freely suspended magnet which points towards the north direction is called the north pole of the magnet and the end of a freely suspended magnet which point towards the south direction is called the south pole of the magnet.
  • Like magnet poles repels each other whereas unlike magnetic poles attract each other.

Uses of Magnet

  • Magnets are used in radio, television, and stereo speakers, in refrigerator doors, on audio and video cassette tapes etc. The magnetic resonance Imaging (MRI) technique which is used to scan inner human body parts in hospitals also uses magnets for its working.

Post Author: E-Physics

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