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 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.

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 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

What is the potential at the centre of a square of each side 1.0 meter, when four charges +1xx10^(-8)C, -2xx10^(-8) C, +3xx10^(-8)C and +2xx10^(-8)C are placed at the four corners of the square.

The force exerted on a 3 C of charge placed at a point in an electric field is 9 N. Calculate the electric field strength at the point.

An electrical charge 2xx10^-8 C is placed at the point (1,2,4) m. At the point (4,2,0) m, the electric

Charges of +(10)/(3) xx 10^(-9) C are placed at each of the four corners of a square of side 8 cm . The potential at the intersection of the diagonals is

Two infinitely long parallel wires having linear charge density 3 xx 10^(-9) C/m and 4 xx 10^(-9) C/m are kept at a distance of 20 cm in air. What will be the magnitude and direction of the electric field intensity at a point that is at a distance of 10 cm from each wire?

Two point particle A and B having charges of 4xx10^(-6) C and -64xx10^(-6) C respectively are held at a separation of 90 cm. Locate the point(s) on the line AB or on its extension where the electric field is zero