2730. a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is___________________? September 7, 2025 by Admin A. el/2d B. e²l/3d² C. el²/3d² D. e²l²/3d² ✅ The correct answer is option C.
