Conisder a system of three charges `q//3`, `q//3` and `-2q//3` placed at point A, B and C, respectively, as shown in the figure. Take O to be centre of the circle of radius R and angle `CAB=60^@`

Consider a system of three charges (q)/(3),(q)/(3) and -(2q)/(3) placed ar point A,B and C respectively, as shown in the figure. Take O to be the centre of the circle of radius R and angle CAB = 60^(@) . Choose the incorrect options (1) The electric field at point O is (q)/(8 pi epsilon_(0)R^(2)) directed along the negative x-axis (2) The potential energy of the system is zero (3) The potential at point O is (q)/(12 pi epsilon_(0) R) (4) The magnitude of the force between the charges at C and B is (q^(2))/(54 pi epsilon_(0) R^(2))

Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a square as shown in the following figure. The directon of electric field at the centre of the square is along

Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a square as shown in the following figure. The directon of electric field at the centre of the square is along

Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a square as shown in the following figure. The directon of electric field at the centre of the square is along

Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a square as shown in the following figure. The directon of electric field at the centre of the square is along

Three charges +q , +q, and Q are placed at the comers of a right angled isosceles triangle as shown in the figure. If the net potential energy of the system is zero then value of Q is

Three charges -q_1 , +q_2 and -q_3 are placed as shown in the figure. The x-component of the force on -q_1 is proportional to