15. Explain how a bar magnet can be used to find Directions
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Explanation:
Bar magnets point towards North – South direction, when they are freely suspended. (vi) True. A magnetic compass points towards North-South direction, if it is known, then the East-west direction can also be determined.
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A compass is known to be the finest instrument which is employed to find out right direction. It is directly by putting lightweight magnet on the frictionless pivot point. A magnet is normally known as needle where one point of needle is marked as north and other colored to indicate north direction
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