State the mathematical expression for the electrostatic potential energy of two point…

PHYSICS · Subjective · CBSE · Physics · Electrostatic Potential and Capacitance · Electrostatic Potential and Capacitance

Problem

State the mathematical expression for the electrostatic potential energy of two point charges

q_1

and

q_2

separated by a distance

r

in vacuum, and mention whether the energy is positive or negative for like charges.