13 When a weight of 10 kg is suspended from a copper wire of

Last updated: 6/7/2023

13 When a weight of 10 kg is suspended from a copper wire of length 3 m and diameter 0 4 mm its length increases by 2 4 cm If the diameter of the wire is doubled then the extension in its length will be O 4 8 cm 0 6 cm 2 54 cm 1 2 cm