Two pieces of wire A and B of the same material have their lengths in the ratio 1:2, and their diameters are in the ratio 2:1. If they are stretched by the same force, their elongations will be in the ratio
A. 2 : 1
B. 1 : 4
C. 1 : 8
D. 8 : 1
Answer:C
Two pieces of wire A and B of the same material have their lengths in the ratio 1:2, and their diameters are in the ratio 2:1. If they are stretched by the same force, their elongations will be in the ratio
A. 2 : 1 B. 1 : 4 C. 1 : 8 D. 8 : 1