/wp-content/uploads/2021/04/logo-2.png 0 0 kp-web-admin /wp-content/uploads/2021/04/logo-2.png kp-web-admin2021-12-23 13:58:582021-12-23 13:58:58^Potential energy of point charges
^Potential energy of point charges
Potential energy of point charges
1. For a system of two point charges
2. For a system of three point charges
4. For a stable system U is minimum, its first derivative w.r.t. position (= – F) is zero & its second derivative w.r.t. position is +ve.