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Give the procedure to find the direction using a bar magnet.
Answer variants:
Gently rotate the magnet
The position of the ends of the magnet are marked on the ground below when it comes to rest
Suspend the bar magnet freely
When we repeat this process, the magnet rests in the same direction
Take a bar magnet
Tie a thread to the middle of the magnet
Mark the magnet's end position on the ground again when it comes to rest
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