Categories > magnetism > Magnet and It's Properties > The pole strength of a bar magnet is 48 ampere-metre and the distance between its poles is 25 cm. The moment of the couple by which it can be placed at an angle of $30^o$ with the uniform magnetic intensity of flux density 0.15 Newton /ampere-metre will be

magnetism

Question: The pole strength of a bar magnet is 48 ampere-metre and the distance between its poles is 25 cm. The moment of the couple by which it can be placed at an angle of $30^o$ with the uniform magnetic intensity of flux density 0.15 Newton /ampere-metre will be


1) 12 Newton × metre
2) 18 Newton × metre
3) 0.9 Newton × metre
4) None of the above
Solution: Explanation: No Explanation
Magnet and It's Properties

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