Two wires A and B of same material and of equal length with the radii – McqOptions

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1.	Two wires A and B of same material and of equal length with the radii in the ratio 1 : 2 are subjected to identical loads. If the length of A increases by 8 mm, then the increase in length of B is
A.	2mm
B.	4mm
C.	8mm
D.	16mm
Answer» B. 4mm

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