FIGURE 20-14
-The equipotential surfaces between two spherical conductors are shown in Figure 20-14, with the value of the potential marked for each line. What is the potential difference between points G and D?

Question

FIGURE 20-14 
-The equipotential surfaces between two spherical conductors are shown in Figure 20-14, with the value of the potential marked for each line. What is the potential difference between points G and D?

Quizplus · Accepted Answer

The potential difference between two points is given by the difference in their potentials.

Potential at point G = +80 V 
Potential at point D = -80 V

Therefore, potential difference between points G and D = -80 V - (+80 V) = -160 V.

So, the correct answer is B.

FIGURE 20-14 -The Equipotential Surfaces Between Two Spherical Conductors Are Shown in Are