Question: Q. 4. Figure shows some equipotential lines distributed in space. A charged object is moved from point
(a) The work done in Figure (I) is the greatest.
(b) The work done in Figure (II) is least. (c) The work done is the same in Figure (I), Figure (II) and Figure (III).
(d) The work done in Figure (III) is greater than Figure (II), but equal to that in Figure (I).
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Solution:
Ans. Correct option : (c)
Explanation: The work done by the electrostatic force is given by
As the potential difference between
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