The arc AB with the centre C and the infinitely long wire having linear charge density `lambda` are lying in the same place. The minimum amount of work to be done to move a point charge `q_(0)` from point A to B through a circuit path AB of radius a is equal to

Options

A. `(q_(0) lambda)/(4pi epsi_(0)) ln (2/3)`
B. `(q_(0) lambda)/(2pi epsi_(0)) ln (3/2)`
C. `(q_(0) lambda)/(2pi epsi_(0)) ln (2/3)`
D. None of these

Answer

B