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The work-electric field relation is given by

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The work-electric field relation is given by

(a) Volume integral

(b) Surface integral

(c) Line integral

(d) Relation impossible

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I need to ask this question from Position and Distance Vectors topic in portion Vector Analysis and Applications of Electromagnetic Theory

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The correct choice is (c) Line integral

To explain I would say: The work done is given by, W = -Q ∫E dl. Thus it is line integral.

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