Two identical point charges of are initially apart

PHYSICS · Single correct · CBSE · Physics · Electrostatic Potential and Capacitance · Electrostatic Potential and Capacitance

Problem

Two identical point charges of

+3.0\,\mu\text{C}

are initially

0.60\,\text{m}

apart. What is the change in the electric potential energy of the system when the separation is reduced to

0.20\,\text{m}

? (a)

-0.27\,\text{J}

(b)

0.135\,\text{J}

(c)

0.27\,\text{J}

(d)

0.202\,\text{J}