Positive charge Q is uniformly distributed over a thin ring of radius a, that lies in a plane perpendicular to the x-axis with its center at the origin 0, as shown above. The potential V at points on the x-axis is represented by which function?
Positive charge Q is uniformly distributed over a thin ring of radius a, that lies in a plane perpendicular to the x-axis with its center at the origin 0, as shown above. The potential V at points on the x-axis is represented by which function?











