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Monday, 28 November 2011

Unit 3 : Lesson 1: Attract or Repel A

What is magnet ??
A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, and attracts or repels other magnets.


Magnet Attract





Poles of magnet

A magnet has two poles namely, north pole (N-pole) and south pole (S-pole). When the N-pole of a magnet is placed near the N-pole of another magnet, the poles will repel or push away each other. The outcome will be the same if the S-pole of a magnet is placed near the S-pole of another magnet. They will only attract or pull each other if the N-pole of the magnet is placed close to the S-pole of another magnet.

Another way of explaining i.e. different poles or unlike poles of two magnets brought near each other, the magnets will attract. When the same poles or like poles of two magnets brought near each other, the magnets will repel.




Magnet repel

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