A Charge of 40 PC Is Distributed on an Isolated

A charge of 40 pC is distributed on an isolated spherical conductor that has a 4.0-cm radius. Point A is 1.0 cm from the center of the conductor and point B is 5.0 cm from the center of the conductor. Determine the electric potential difference VA − VB.

A) +1.8 V
B) +29 V
C) +27 V
D) +7.2 V
E) +9.0 V