A Circular,20-Turn Coil of Radius 5 $\times$ 10^-3 N · M
B)9

Multiple Choice

A circular,20-turn coil of radius 5.0 cm is oriented in such a way that its axis makes a 30º angle with a uniform magnetic field of 0.15 T.What is the torque on the coil when it carries a current of 2.5 A?

A) 1.5 $\times$ 10^-3 N · m
B) 9.4 $\times$ 10^-3 N · m
C) 2.9 $\times$ 10^-2 N · m
D) 5.1 $\times$ 10^-2 N · m
E) 0.59 N · m