Q8 A brass wire 1 8 m long at 27 C is held taut with

Last updated: 6/13/2023

Q8 A brass wire 1 8 m long at 27 C is held taut with negligible tension between two rigid supports Diameter of the wire is 2 mm its coefficient of linear expansion Brass 2 10 5 C 1 and its Young s modulus YBrass 9 x 10 0 Nm 2 If the wire is cooled to a temperature 39 C tension developed in the wire is a a 2 7 10 N b 3 7 10 N c 4 7 x 102 N d 5 7 x 10 N