PHYSICS NOTES ON MAGNETISM
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Poles of bar magnet : Magnetic property is confined at the points at the ends of the bar magnet. These points are called poles. One of the poles always seeks geographic north, and other always seeks geographic south. The pole which always seeks geographic North Pole is called North pole and that always seeks geographic South Pole is called South pole. Effective length : The poles of a bar magnet just lie within its ends. The distance between the poles of a bar magnet is called effective length and is equal to 85% of real length. Magnetic axis: A straight line passing through poles of magnet is called magnetic axis. Magnetic equator: A straight line passing through mid point of the magnet perpendicular to magnetic axis is called magnetic equator.Download the file to read more.
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Physics