The diagrams below show regions of equipotentials:
A positive charge is moved from $A$ to $B$ in each diagram
.
- AIn all the four cases the work done is the same.
- BMinimum work is required to move $q$ in figure (I).
- CMaximum work is required to move $q$ in figure (II).
- DMaximum work is required to move $q$ in figure (III).
✓ Correct answer: A
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