The diagrams below, shown, regions of equipotentials : A positive charge is moved from A to B in each diagram.

Question

$\begin{array}{1 1} \text{(1) Maximum work is required to move q in figure (c).} \\ \text{(2) In all the four cases the work done is the same.} \\ \text{ (3) Minimum work is required to move q in figure (a).} \\ \text{(4) Maximum work is required lo move q ir figure (b). } \end{array}$