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Two shafts A and B under pure torsion are of identical length and identical weight and are made of the same material. The shaft A is solid and the shaft B is hollow. We can say that

A. Shaft B is better than shaft A

B. Shaft A is better than shaft B

C. Both the shafts are equally good

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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