Charges `+q` and `-q` are located at the corners of a cube of side as show in the figure. Find the work done to separate the charges to infinite distance

Find out the amount of the work done to separate the charges at infinite distance.

Four charges are arranged at the corners of the square PQRS of side a as shown in the figure . (a) Find the work required to assemble these charges in the given configuration . (b) Suppose a charge q is brought to the center of the square by keeping the four charges fixed at the corners how much extra work is required for this ?

Point charges +q and -q are kept alternately at the corners of a cube of side 'a' as shown in the figure. Write an expression for the work done in removing all the charges far away from each other.

Point charges +q and -q are kept alternately at the corners of a cube of side 'a' as shown in the figure. Write an expression for the work done in removing all the charges far away from each other.

Four point charges Q, q, Q and q are placed at the corners of a square of side 'a' as shown in the figure. Find the resultant electric force on a charge Q?

Four point charges Q, q, Q and q are placed at the corners of a square of side' a' as shown in the figure. Find the . (a) resultnat electric force on a charge Q and . (b) potential energy of this system.

Four point charges Q, q, Q and q are placed at the corners of a square of side' a' as shown in the figure. Find the . (a) resultnat electric force on a charge Q and . (b) potential energy of this system.