Q.The potential energy of a system of two charges $q_1$ and $q_2$ separated by a distance $r$ is $U$ . If the separation is increased to $2r$ and charge $q_2$ is doubled, the new potential energy becomes (JEE Main 2023)

U

2U

U/2

U/4

The correct solution involves applying the fundamental concept to derive the final value step by step...

Already a member? Login here

Q.The potential energy of a system of two charges q1q_1q1​ and q2q_2q2​ separated by a distance rrr is UUU. If the separation is increased to 2r2r2r and charge q2q_2q2​ is doubled, the new potential energy becomes (JEE Main 2023)