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

Four point charge of +10^(-7)C, -10^(-7)C, -2 xx 10^(-7)C and +2 xx 10^(-7)C are placed respectively at the corners A, B, C, D of a 0.05m square. Find the magnitude of the resultant force on the charge at D.

Four charges +50 xxI0^(-9)C, -12 xx I0^(-19)C, + 36 xx I0^(-9)C " and " +90 x 10^(-9)C are placed respectively at the corners of a rectangula: ABCD,AB being equal to 5cm and BC being 12cm. Find: (a) the force on the charge at A, and (b) the field strength at the point of intersection of the two diagonals

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.

Four charges 10^(-8), -2 xx 10^(8), +3xx10^(-8) and 2xx10^(-8) coulomb are placed at the four corners of a square of side 1m the potential at the centre of the square is

Charges 5.0 xx 10^(-7) C , -2.5 xx 10^(-7) Cand 1.0 xx 10^(-7) C are held fixed at the three corners A, B, C of equilateral triangle of side 10cm respectively. Find the electric force on the charge at C due to the rest two.

Charges 5.0 xx 10^(-7) C , -2.5 xx 10^(-7) Cand 1.0 xx 10^(-7) C are held fixed at the three corners A, B, C of equilateral triangle of side 10cm respectively. Find the electric force on the charge at C due to the rest two.

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