[a]  | [b]  | [c]  | [d]  |
A) Maximum work is required to move q in figure [b].
B) Maximum work is required to move q in figure [c].
C) In all the four cases the work done is the same.
D) Minimum work is required to move q in figure [a].
Correct Answer: C
Solution :
Work done \[w=q\Delta V\]\[\Delta V\]is same in all the cases so work is done will be same in all the cases.
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