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Figure shows some equipotential lines ...

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

A

The work done in figure (i) is the greatest.

B

The work done in figure (ii) is the least.

C

The work done is the same in figure (i), (ii) and (iii).

D

The work done in figure (iii) is greater than figure (ii) but equal to that in figure (i).

Text Solution

Verified by Experts

The correct Answer is:
C
In all the three figures, `V_(A) = 20 V and V_(b) = 40 V` Work done in carrying a charge q form A to B is `W = q(V_(B) - V_(A))`
Hence , work done is same in all figures.
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