Figure shows some equipotential lines distributed in space .A charged object is moved from point A and point B.

Question

$\begin{array}{1 1} \text{ The work done in Fig(i) is the greatest} \\\text{ The work done in Fig(ii) is least} \\\text{ The work done is the same in Fig(i) Fig(ii) and Fig(iii)}\\ \text{ The work done in Fig(iii) is greater than Fig(ii) but equal to that Fig(i)} \end{array}$