A bar magnet has no markings to indicate its poles. How would you find out near which end is its north pole located? (3 marks)

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Solution

The bar magnet can be tied with a string and suspended in the air till it comes to rest. (1 mark)

The freely suspended bar magnet would come to rest in the N-S direction. (1 mark)

Therefore, the end that points towards the north direction would be the north pole of the magnet. (1 mark)

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A bar magnet has no markings to indicate its poles. How can you find out the location of the north pole?

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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? (3 marks)

The bar magnet can be tied with a string and suspended in the air till it comes to rest. (1 mark) The freely suspended bar magnet would come to rest in the N-S direction. (1 mark) Therefore, the end that points towards the north direction would be the north pole of the magnet. (1 mark)

The bar magnet can be tied with a string and suspended in the air till it comes to rest. (1 mark)

The freely suspended bar magnet would come to rest in the N-S direction. (1 mark)

Therefore, the end that points towards the north direction would be the north pole of the magnet. (1 mark)