A single-turn square wire loop 18.0 cm on a side carries a 1.25-A current. (a) Whats the

Question:

A single-turn square wire loop 18.0 cm on a side carries a 1.25-A current.
(a) What’s the loop’s magnetic dipole moment?
(b) What’s the magnitude of the torque the loop experiences when it’s in a 2.12-T magnetic field with the loop’s dipole moment vector at 65.0° to the microwaves?