ABCD is a square of side 4 cm. Charges of `16xx10^(-9) C, -16xx10^(-9) C` and `32xx10^(-9)C` are placed at the points A, C and D, respectively. Determine the electric field at point B.

ABCD is a square of side 0.2m . Charges of 2xx10^(-9) C, 4xx10^(9) C and 8xx10^(9) C are placed at the corners A, B and C respectively. Calculate work required to transfer a charge of 2xx10^(-9) C from corner D to centre of the square.

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.

ABCD is a square of side 0.2 M. Positive charges 2xx10^(-9)C,4xx10^(-9) C and 8xx10^(-9) C are placed at the points A,B and C. Calculate the work done to transfer one columb from D to the centre of the square.

ABCD is a square of side 0.2 m. Charges of 2xx10^-9, 4xx10^-9, 8 xx 10^-9 coulomb are placed at the corners. A,B and C respectively. Calculate the work required to transfer a charge of 2xx10^-9 coulomb from corner D to the centre of the square.

ABC is an equilateral triangle of side 5 cm. Charges of +60statC and - 30 statC are placed at points A and B respectively. Calcualte completely the electric field at point C. Given 1C = 3 xx 10^9 statC

Two charges +2xx10^(-9) C and -8xx10^(-9) C are placed 0.3 M apart in air. Find the point or p[oints where the electric field and potential is zero.

Charges +2 xx 10^(-7)C, -4 xx 10^(-7)C and +8 xx 10^(-7)C are placed at the vertices of an equilateral triangle of side 10 cm in air. Determine the electrical potential energy of this system of charges.

Charges of +1.0xx10^(-11)C,-2.0xx10^(-11),+1.0xx10^(-11)C are placed respectively at the corners B, C and D of a rectangle ABCD. Determine the potential at the corner A. given AB=4cm and BC=3cm