FIGURE 22-8 -A Rectangular Loop of Wire, with Dimensions as Shown in as Shown

Multiple Choice

FIGURE 22-8
-A rectangular loop of wire, with dimensions as shown in Figure 22-8, carrying a 2-A current is placed in a magnetic field of 0.8 T. The loop rotates in the magnetic field and at one point makes a 30° angle with the magnetic field. What is the magnitude of the torque acting on the wire?

A) 0.3 Nm
B) 0.4 Nm
C) 0.5 Nm
D) 0.6 Nm
E) 0.7 Nm