Three point charges `+10nC,-15nC and +20nC` are placed at the corners A,B and C respectively of a square, ABCD of side 0.1m. Calculate the amount of work done to transfer -100nC from the point 'D' to the point 'O'.

Point charges of 10nC,20nCand10nC are kept at the corners A,B C of a square ABCD of side 3m. Calculate the magnitude of the resultant electric intensity at D.

Positive charges of magnitude 6nC, 12 nC, and 24 nC are placed at the vertices, A, B and C of a square ABCD of side 20 cm. What is the amount of work done to place a charge of 1C at vertex D?

Three point charges 3nC, 6nC and 9nC are placed at the corners of an equilateral triangle of side 0.1m. The potential energy of the system is:

Three point charges 3nC, 6nC and 6nC are placed at the corners of an equilateral triangle of side 0.1 m. The potential energy of the system is

Three point charges 3 nC , 6 nC and 9 nC are placed at the corners of an equilateral triangle of side 0.1 m . The potential energy of the system is

ABCD is a square of side 1m. Charges of +3nC, -5nC and +3nC are placed at the comers A, B and C respectively. Calculate the work done in transferring a charge of 12mu c from D to the point of intersection of the diagonals?

ABCD is a square of side 20 cm positive charges of +2 * 10^-9 C. +4 * 10^-9 C and + 8 * 10^-9 C are placed at the corners A, B and C respectively. Calculate the work required to be done to transfer a unit positive charge from D to the point of intersection of the diagonals.

Two point charges of 6 nC and 12 nC are placed at the corners of B and C of an equilateral triangle ABC of side 0.03 m . Calculate the magnitude of the resultant electric intensity at the vertex A of triangle.

ABCD is a square of side 2m. Charges of 5nC, + 10nC and -5nC are placed at corners A,B and C respectively .What is the workdone in transferring a charge of 5nC from 'D' to the point of intersection of the diagonals ?