Why does a current-carrying solenoid when suspended freely rests along a particular
direction?
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When a bar magnet is suspended freely it will come to rest along the direction of the earth's magnetic field.. The magnetic field lines that are produced by the solenoid are similar to that of the bar magnet and behaves like a bar magnet......
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A current-carrying solenoid behaves like a bar magnet.. We Know that a freely suspended bar magnet aligns itself in the North-South direction.. So, a freely suspended current-carrying solenoid also aligns itself in the North-South direction......
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