Class 12PhysicsMagnetism and MatterMagnetic field due to magnetic dipole and Dipole in Magnetic Field and Poential Energy and Work Done
Easy$A$ magnetic needle is placed in a uniform magnetic field and is aligned with the field. The needle is now rotated by an angle of $60^{\circ}$ and the work done is $W$. The torque on the magnetic needle at this position is
- A$2 \sqrt{3} W$
- B$\sqrt{3} W$
- C$\frac{\sqrt{3}}{2} W$
- D$\frac{\sqrt{3}}{4} W$
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