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^@` A. The electric field at point O is `q/(8pi epsi_(0) R^(2))` directed along the nagative x-axis.B. The potential energy of the system is zero.C. The magnitude of the force between the charge at C and B is `q^(2)/(54pi epsi_(0) R^(2))`.D. The potential at point O is `q/(12 pi epsi_(0) R)`.

Conisder a system of three charges `q//3`, `q//3` and `-2q//3` placed

1.	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^@` A. The electric field at point O is `q/(8pi epsi_(0) R^(2))` directed along the nagative x-axis.B. The potential energy of the system is zero.C. The magnitude of the force between the charge at C and B is `q^(2)/(54pi epsi_(0) R^(2))`.D. The potential at point O is `q/(12 pi epsi_(0) R)`.
Answer» Correct Answer - C

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