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Question

Why does a bar magnet always rest in North-South direction, when suspended freely?


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Solution

  1. Earth acts as a huge magnet.
  2. Magnet when suspended freely aligns itself in the North-South direction because the earth's magnetic field is along its geographic North-South pole.
  3. This shows that magnets have directive property.
  4. That is the reason why magnets are used in compass for indicating directions.


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