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A bar magnet has no markings to indicate its poles.How would you find out near which end is its north pole located? |
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Answer» A freely SUSPENDED bar magnet ALWAYS comes to rest in the North-SOUTH direction. The geographical North facing end of the magnet is its north pole and the geographical south facing end is its South pole. HENCE, the UNKNOWN poles of a bar magnet can be marked by suspending it freely by a string. |
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