The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is

• A. <img src="/_files/images/civil-engineering/strength-of-materials/56-3.94-2.png">
• B. <img src="/_files/images/civil-engineering/strength-of-materials/56-3.94-1.png">
• C. <img src="/_files/images/civil-engineering/strength-of-materials/56-3.94-3.png">
• D. <img src="/_files/images/civil-engineering/strength-of-materials/56-3.94-4.png">
• E. <img src="/_files/images/civil-engineering/strength-of-materials/124-6.16-1.png">