The diagram below show regions of equipotential:
A positive chrages is moved from `A` to `B` in each diagram.

Options

A. In all the four cases the work done is the same
B. Minimum work is required to move `q` in figure `(a)`
C. Maximum work is required to move `q` in figure `(b)`
D. Maximum work is required to move `q` in figure `(c)`

Answer

A

Explanation

`DeltaW=qDeltaV=q(40-10)`