2015

Physics Electrostatics Level: High School

Two positive point charges are separated by a distance R. If the distance between the charges is reduced to R/2, what happen to the total electric potential energy of the system ?

a) It is doubled

b) It remains the same

c) It increase by a factor of 4

d) It is reduced to one-half of its original value

e) It is reduced to one-fourth of its original value