Teaching JKPSC Lecturership Mock Test Series 2024-25 Physics Electric Potential Potential Energy in an External Field
A charge of 2 μC is placed at the origin. Find the increase in the electrostatic potential energy of the system of all charges, if a 1 μC charge and a -1 μC charge are brought from infinity to A(1,0) and B(-1,0) respectively.
1
-3 mJ
2
3 mJ
3
-4.5 mJ
4
4.5 mJ