A square current loop with 20 turns and sides of 20 cm is placed in a uniform magnetic
field of 1.5 T, and a current of 0.4 A is run through it. When the normal to the loop makes an
angle of 60 with the direction of the field, what is the torque on the loop?
A) 0.012 Nm
B) 0.24 Nm
C) 0.754 Nm
D) 1.2 Nm