Find the electric potential energy of the system of charges

For charges q_1=1muC, q_2=2muC, q_3=-3muC and q_4=4muC are kept on the vertices of a square of side 1m . Find the electric potential energy of this system of charges.

Four charges q_(1) = 1 muC,q_(2)=2 muC,q_(3)=-3 muC and q_(4)=4 muC are kept on the vertices of a square of side 1 m . Find the electric potential energy of this system of charges.

Two point charges 4Q, Q are separated by 1m in air. At what point on the line joining the charges is the electric field intensity zero ? Also calculate the electrostatic potential energy of the system of charges, taking the value of charge, Q=2xx10^(-7)C .

A point charge q_1 is held stationary at the origin. A second charge q_2 is placed at a point a, and the electric potential energy of the pair of charges is -6.4 xx 10^-8 J . When the second charge is moved to point b, the electric force on the charge does 4.2 xx 10^-8 J of work. What is the electric potential energy of the pair of charges when the second charge is at point b?

When the separation between two charges is increased, the electric potential energy of the charges

When the separation between two charges is increased, the electric potential energy of the charges

Find the electrostatic potential energy of the system shown in the figure

When one electron is taken towards the other electron, then the electric potential energy of the system

A charge q_(1) = 2.00 mu C is located at the origin , and a charge q_(2) = - 6.00 mu C is located at ( 0,3.00 ) m . (a) Find the total electric potential due to these charges at the point P hose coordinates are ( 4.00,0) m . ( b) Find the change in potential energy of the system of two charges plus a charge q_(3)= 3.00 muC as the latter charge moves from infinity to point P .