FIGURE 22-6 -A Single Current-Carrying Circular Loop of Radius R Is Placed

Multiple Choice

FIGURE 22-6
-A single current-carrying circular loop of radius R is placed next to a long, straight wire, as shown in the sketch in Figure 22-6. The current in the wire points to the right and is of magnitude I. In which direction must current flow in the loop to produce zero magnetic field at its center?

A) counterclockwise
B) clockwise
C) It is indifferent if clockwise or counterclockwise.
D) The current in the loop should be zero A.