A circular shaft is subjected to torque. The torsional rigidity is def

1.	A circular shaft is subjected to torque. The torsional rigidity is defined as:
A.	product of polar moment of inertia and modulus of rigidity
B.	ratio of torque and polar moment of inertia
C.	product of torque and length
D.	sum of polar moment of inertia and modulus of rigidity
Answer» B. ratio of torque and polar moment of inertia

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A circular shaft is subjected to torque. The torsional rigidity is defined as:

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