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Question
Work done by an electrostatic force in moving a point charge ‘q’ from point A to B is given by →W=4i−8j. What is the work done by this force if the vector joining A & B is given by →AB=4i.
Work done by an electrostatic force in moving a point charge ‘q’ from point A to B is given by →W=4i−8j. What is the work done by this force if the vector joining A & B is given by →AB=4i.
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Solution
The correct option is D None of these
Work done is always a scalar quantity. It doesn’t make sense to express it as a vector. That’s like having a plant as a pet and expecting it to come to you when you call.
Work done is always a scalar quantity. It doesn’t make sense to express it as a vector. That’s like having a plant as a pet and expecting it to come to you when you call.
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