The length of wire is increased by 8 mm in length, when a weight of 5 – McqOptions

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1.	The length of wire is increased by 8 mm in length, when a weight of 5 kg is hung through it. If all the conditions are kept same, but radius of wire is doubled, what would be the new length of wire?
A.	2mm
B.	4mm
C.	6mm
D.	8mm
Answer» B. 4mm

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