Two identical point charges

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

Problem

Two identical point charges, each of magnitude

3.0\,\mu\text{C}

, are originally

0.40\,\text{m}

apart and the electric potential energy of the system is measured to be

1.8\,\text{J}

. To what separation should the charges be moved so that the potential energy becomes

3.6\,\text{J}