Asked by Annette | 16th Mar, 2010, 01:23: PM
If a magnet suspended in air and free to rotate.
The magnet's pole towards earth north direction is called north pole of the magnet similarly south pole ....It is just a convension.
Strengh Earth magnetic field depends on the place and minerals in that place etc
Answered by | 17th Mar, 2010, 07:12: PM
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