Question:medium
When a bar magnet placed parallel to the magnetic field is rotated by $45^\circ$, the amount of work done is $2.07J$. The amount of work to be done to rotate the magnet further by $45^\circ$ is
When a bar magnet placed parallel to the magnetic field is rotated by $45^\circ$, the amount of work done is $2.07J$. The amount of work to be done to rotate the magnet further by $45^\circ$ is
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Work depends on cosine difference of angles in magnetic rotation.
Updated On: Apr 24, 2026
- $2.07J$
- $3J$
- $4.41J$
- $5J$
- $6.21J$
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The Correct Option is D
Solution and Explanation
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