FIGURE 22-3
-A rectangular coil, with corners labeled ABCD, of length L and width w is placed in a magnetic field B as shown in Figure 22-3. If there is a current I flowing through this coil, what is the direction of the force acting on section CD of this coil?
A) perpendicular to and into the page
B) perpendicular to and out of the page
C) in the direction of the magnetic field
D) in the opposite direction of the magnetic field
E) none

Question

FIGURE 22-3 
-A rectangular coil, with corners labeled ABCD, of length L and width w is placed in a magnetic field B as shown in Figure 22-3. If there is a current I flowing through this coil, what is the direction of the force acting on section CD of this coil?
A) perpendicular to and into the page 
B) perpendicular to and out of the page 
C) in the direction of the magnetic field 
D) in the opposite direction of the magnetic field 
E) none

Quizplus · Accepted Answer

Section CD of the coil is perpendicular to the magnetic field and has a current flowing through it. According to the right-hand rule, the direction of the force on section CD is directed out of the page.

FIGURE 22-3 -A Rectangular Coil, with Corners Labeled ABCD, of Length L