30. The potential at the centre of the square is- + -9 a + -9

Charges 5 mu C, -2muC, 3muCand -9muC are placed at the corners A,B,C and D of a square ABCD of side 1m. The net electric potential at the centre of th square is

Charges 5 mu C, -2muC, 3mu and -9mu are placed at the corners A,B,C and D of a square ABCD of side 1m. The net electric potential at the centre of th square is

Electric charges of + 10 mu C, + 5mu C, - 3mu C and +9 mu C are placed at the corners of a square of side sqrt(2) m the potential at the centre of the square is

Find the potential at the centre of a square of side sqrt2 m which carries at its four corners cahrges +2xx10^-9C+1xx10^-9C +3xx10^-9C and +4xx10^-9C .

Charges 1mu coul each are placed at the corners of a squares of side 9 cm. Calculate the potential at the centre of the square.

Find the potential at the centre of a square of side sqrt(2)m which carries at its four corners charges +2 xx 10^(-9)C, +1 xx 10^(-9)C, -2 xx 10^(-9)C and +3 xx 10^(-9)C .