A Square Loop (L = 0

Multiple Choice

A square loop (L = 0.20 m) consists of 50 closely wrapped turns,each carrying a current of 0.50 A.The loop is oriented as shown in a uniform magnetic field of 0.40 T directed in the positive y direction.What is the magnitude of the torque on the loop?

A) 0.21 N . m
B) 0.20 N.m
C) 0.35 N . m
D) 0.12 N .m
E) 1.73 N.m