The plane of a 7.0 cm × 10.0 cm rectangular loop of wire is parallel to a 0.16-T magnetic field. The loop carries a current of 7.0 A.
(a) What torque acts on the loop?
N · m
(b) What is the magnetic moment of the loop?
A · m2
(c) What is the maximum torque that can be obtained with the same total length of rectangular wire carrying the same current in this magnetic field?
N · m