The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by

• A. <img src="/_files/images/mechanical-engineering/strength-of-materials/88-62-1.png">
• B. <img src="/_files/images/mechanical-engineering/strength-of-materials/88-62-2.png">
• C. <img src="/_files/images/mechanical-engineering/strength-of-materials/88-62-3.png">
• D. <img src="/_files/images/mechanical-engineering/strength-of-materials/88-62-4.png">