Which answer is correct and why is C incorrect? please explain!! thanks :) In th

Question

Which answer is correct and why is C incorrect? please explain!! thanks :)

In the figure above, the initially uncharged insulating rod on the left is free to rotate on an insulating stand. End X is then rubbed with a piece of fur. End Z of a second insulating rod is also rubbed with fur and then brought near the first rod. As the second rod is moved around, it is found that end Y of the first rod is attracted to end Z, and end X is repelled. Which of the following correctly describes the signs of the charges on ends X and Y, if any?

Explanation / Answer

Option D is correct because as we rub both the rod by rub so at both the rod end X and Z will be of same charge because of this both will repel each other.

as Y is not rubbed with fur so it remains neutral

Option C is incorrect because End Y is not of Opposite Z's charge

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