FIGURE 20-2
-The equipotential surfaces between two spherical conductors are shown in Figure 20-2, with the value of the potential marked for each line. What is the direction of the electric field at point F?

Question

FIGURE 20-2 
-The equipotential surfaces between two spherical conductors are shown in Figure 20-2, with the value of the potential marked for each line. What is the direction of the electric field at point F?

Quizplus · Accepted Answer

The electric field points from higher to lower potential, so it must be towards the smaller sphere at point G, which has a lower potential than point F. Thus, the correct choice is B.

FIGURE 20-2 -The Equipotential Surfaces Between Two Spherical Conductors Are Shown in Are