Physics · JEE | Magnetism and Matter

At what angle \( \theta \) between the magnetic moment \( \mathbf{m} \) and magnetic field \( \mathbf{B} \) is the potential energy of a dipole maximum?

1. A
   \( 0^\circ \)
2. B
   \( 45^\circ \)
3. C
   \( 180^\circ \)
4. D
   \( 90^\circ \)