Q: A charge q is placed at the center of a circle, and B and C are points on the circle. Another charge q is moved from A to B and from A to C. Which of the following statements is correct?  

Answer: B

Points B and C are located on the circle, which represents an equipotential surface. When moving a charge along an equipotential surface, the work done is zero, as there is no change in potential energy. Therefore, the work done in both cases, from A to B and from A to C, is the same and equal to zero.

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