A Rectangular Coil, with Corners Labeled $\mathrm { ABCD }$ , Has Length

Multiple Choice

A rectangular coil, with corners labeled $\mathrm { ABCD }$ , has length $L$ and width $w$ . It is placed between the poles of a magnet, as shown in the figure If there is a current $I$ flowing through this coil in the direction shown, what is the direction of the force acting on section $A B$ of this coil?

A) in the direction of the magnetic field
B) perpendicular to and out of the page
C) in the opposite direction of the magnetic field
D) perpendicular to and into the page
E) The force is zero.