4 Two wires A and B are made of same material The wire A has

Last updated: 6/4/2023

4 Two wires A and B are made of same material The wire A has a length 1 and diameter r while the wire B has a length 21 and diameter r 2 If the two wires are stretched by the same force the elongation in A divided by the elongation in B is a 1 8 b 1 4 c 4 d 8 c d 12 An a