What minimum work must be done by an external force to bring a charge `q=3.00 muC` from a great distance away (take `t = infty`) to a point `0.500 m` from a charge ` = 20.0 muC` ?

What work is required to bring a charge q= 3.00 mu C originally a distance of 1.50 m from a charge Q= 20.0 muC until it is 0.50 m away ?

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

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.

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

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.

Determine the potential at a point 0.50 m (i) from a+20 muC potential charge (ii) from a-20 muC point charge.

The electric intensity due to a dipole of length 10 cm and having a charge of 500 muC , at a point on the axis at a distance 20 cm from one of the charges in air is

A charge q = -2.0 muC is placed at origin. Find the electric field at (3 m, 4 m, 0) .

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 ?