Find the work done by some external force in moving a charge `q=2muC` from infinity to a point where electric potential is `10^4` V.

Find the work done by some external force in moving a charge q=4 muC from infinity to a point, where electric potential is 10^(4)V

Two points charges are located on the x-axis, q_1=-1muC at x=0 and q_2=+1muc at x=1m . a. Find the work that must be done by an external force to bring a third point charge q_3=+1muC from infinity to x=2m . b. Find the total potential energy of the system of three charges.

Two points charges are located on the x-axis, q_1=-1muC at x=0 and q_2=+1muc at x=1m . a. Find the work that must be done by an external force to bring a third point charge q_3=+1muC from infinity to x=2m . b. Find the total potential energy of the system of three charges.

A charge Q is placed at the origin. The electric potential due to this charge at a given point in space is V . The work done by an external force in bringing another charge q from infinity up to the point is

find the work done by an external agent in slowly shifting a charge q = 1 mu C in the electric field vec E = 10^3 hat i Vm^-1 from the point P(1,2) "to" Q(3, 4) .

How much work will be done in bringing a charge of 400 muC from infinity to some point P in the region of electric field ? Given that the electric potential at point P is 20 V ?

Work done in moving a charge q coulomb on the surface of given charged conductor of potential V is

Find the work done in taking a charge 100muC from C & D.

(a) Calculate the potential at a point P due to a charge of 4xx10^(-7) C located 9 cm away. (b) Hence obtain the work done in bringing a charge of 2xx10^(-9) C from infinity to the point P. Does the answer depend on the path along which the charge is brought ?

1 mu C charge is shifted from A to B, and it is found that work done by an external force is 40 mu J . In doing so against electrostatic forces, find potential difference V_A - V_B .