The polar moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter of 6 cm will be

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📊 Applied Mechanics

Q. The polar moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter of 6 cm will be

(A) 137.5 cm4
(B) 107 dynes
(C) 275 cm4
(D) 550 cm4

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✅ Correct Answer: (C) 275 cm4

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