Work, Power and EnergyHard
Question
Consider a system of three charges 
and 
placed at points 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 = 60o
Figure:
and placed at points 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 = 60oFigure:
Options
A.The electric field at point O is 
directed along the negative x-axis
directed along the negative x-axisB.The potential energy of the system is zero
C.The magnitude of the force between the charges at C and B is 
D.The potential at point O is 
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