The Electrostatic Force Between Two Protons Separated by a Distance

Multiple Choice

The electrostatic force between two protons separated by a distance d is

A) larger than the gravitational force between the same two protons.
B) approximately the same as the gravitational force between the same two protons.
C) less than the gravitational force between the same two protons.
D) unknown; more information is needed to work out the answer.