TS EAMCET Medical 8 May 2019 Shift 1 Paper

A non conducting wire is in the form of circular arc of radius R as shown in figure. The two ends of the wire he on .Y-axis and y-axis respectively. If the uniform linear charge density on the wire varies as ρ(θ) - ρ0 cos θ, the potential V at the centre 'O' will be (Assume V = 0 at infinity)