GKFix MCQ Question

What is the formula for Poisson's ratio in terms of diameter and length changes?

• A. (∆L/L)/(∆d/d)
• B. (∆d/∆L) × (d/L)
• C. (∆L/∆d) × (L/d)
• D. (∆d/d)/(∆L/L)