FIGURE 28-4 -Fig. 28-4 Shows Three Long, Parallel, Current-Carrying Wires. the Current

Multiple Choice

FIGURE 28-4
-Fig. 28-4 shows three long, parallel, current-carrying wires. The current directions are indicated for currents I₁ and I₃. The arrow labeled F represents the magnetic force acting on current I₃. The 3 currents have equal magnitudes. What is the direction of the current I₂?

A) into the picture (in the direction opposite to that of I₁ and I₃)
B) horizontal to the right
C) vertical upward
D) vertical downward
E) out of the picture (in the same direction as I₁ and I₂)