To study the field lines formed around a bar magnet

Objective

To study field lines formed around the bar magnet.

Theory

  • Magnets have two types of poles: north poles and south poles.
  • The magnetic strength at the pole is the strongest.
  • When a bar magnet is suspended freely in a horizontal position, the bar magnet will align itself in north-south direction, where the north pole of the magnet points to the north pole of the Earth.
  • Like poles repel and unlike poles attract.
  • Magnetic materials such as iron, nickel, steel etc. are attarcted by the magnets.
  • Attractive and repulsive force of magnet depends how strong the magnet is.
  • Magnetic force also depends on distance between the magnet and the object.

Behaviour of Bar Magnets in possible pole configurations.

 

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