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A bar magnet of magnetic moment 1.5 J T^...

A bar magnet of magnetic moment `1.5 J T^-1` lies aligned with the direction of a uniform magnetic field of 0.22 T.What is the amount of work required by an external torque to turn the magnet so as to align its magnetic moment: normal to the field direction?

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PSEB-MAGNETISM AND MATTER -EXERCISE
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  3. A bar magnet of magnetic moment 1.5 J T^-1 lies aligned with the direc...

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  4. A bar magnet of magnetic moment 1.5 J T^-1 lies aligned with the direc...

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  11. A short bar magnet has a magnetic moment of 0.48 J T^-1. Give the dire...

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  12. A short bar magnet has a magnetic moment of 0.48 J T^-1. Give the dire...

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  13. A short bar magnet placed in a horizontal plane has its axis aligned a...

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  14. A short bar magnet placed in a horizontal plane has its axis aligned a...

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  16. A short bar magnet of magnetic movement 5.25 xx 10^-2 J T^1 is placed ...

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