FIGURE 20-11 -The Absolute Value of the Electric Potential at a Distance

FIGURE 20-11
-The absolute value of the electric potential at a distance of 4 m from a certain point charge is 200 V. What is the absolute value of this potential at a distance of 2 m from the same charge?

A) 200 V
B) 50 V
C) 400 V
D) 100 V
E) 600 V