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If a thin magnet of length ‘2l’ and magnetic moment ‘M’ is bent at its midpoint such that the two equal parts make an angle ‘ $θ$ ’ with each other then new magnetic moment is

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detailed solution

Correct option is A

Effective length is 2lsinθ2 Pole strength =m ∴New magnetic moment is M'=2lsinθ2m=Msinθ2

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If a thin magnet of length ‘2l’ and magnetic moment ‘M’ is bent at its midpoint such that the two equal parts make an angle ‘θ’ with each other then new magnetic moment is

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Ready to Test Your Skills?

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If a thin magnet of length ‘2l’ and magnetic moment ‘M’ is bent at its midpoint such that the two equal parts make an angle ‘ $θ$ ’ with each other then new magnetic moment is