If work done by electrostatic force on a system of point charges is positive, then potential energy of system will
a) increase
b) decrease
c) remain constant
d) may increase or decrease

Question

If work done by electrostatic force on a system of point charges is
positive, then potential energy of system will
​a) increase
b) decrease
c) remain constant
d) may increase or decrease

Sanjay Singh · Accepted Answer

Dear student
work done by electrostatic force or any conservative force is equal to negative of change in potential energy
Wby electrostatic force=-(Uf-Ui)if Wby electrostatic force is positive than+ve=-(Uf-Ui)(Uf-Ui)=-vemeans Uf<Ui orthe potential energy of the system decreasesRegards

If work done by electrostatic force on a system of point charges is positive, then potential energy of system will ​a) increase b) decrease c) remain constant d) may increase or decrease

If work done by electrostatic force on a system of point charges is positive, then potential energy of system will
a) increase
b) decrease
c) remain constant
d) may increase or decrease