A circular wire loop of radius $15\mathrm{.}4$ cm carries a current of $3\mathrm{.}25$ A$.$ It is placed so that the normal to its plane makes an angle of $50\mathrm{.}9$ with a uniform magnetic field of magnitude $14\mathrm{.}0$ T$.($a$)$ Calculate the magnitude of the magnetic dipole moment of the loop. $($b$)$ What is the magnitude of the torque acting on the loop?