Class 12PhysicsMagnetism and MatterMagnetic field due to magnetic dipole and Dipole in Magnetic Field and Poential Energy and Work Done
Medium$A$ bar magnet having a magnetic moment of $2 \times 10^4 \, JT^{-1}$ is free to rotate in a horizontal plane. $A$ horizontal magnetic field $B = 6 \times 10^{-4} \, T$ exists in the space. The work done in taking the magnet slowly from a direction parallel to the field to a direction $60^{\circ}$ from the field is.....$J$
- A$2$
- B$4$
- C$6$
- D$8$
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