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A torsion bar of constant inner radius and length is applied with constant torque. What will happen for the angular displacement if outer radius of torsion bar is increased?

A torsion bar of constant inner radius and length is applied with constant torque. What will happen for the angular displacement if outer radius of torsion bar is increased? Correct Answer Decreases

Relation between angular displacement and radius of the torsion bar can be explained using an expressioɸ = 2LT/πG(R04 – Ri4) keeping all other factors constant, angular displacement and outer radius become inverse portioned to each other.

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