An infinitely long, straight wire carrying current �1 passes through the center of a circular loop of wire carrying current �2 , as shown in figure. The long wire is perpendicular to the
plane of the loop. Which of the following describes the magnetic force on the loop?
a) Outward, along a radius of the loop
b) Inward, along a radius of the loop
c) Upward, along the axis of the loop
d) Downward, along the axis of the loop
e) There is no magnetic force on the loop