Question

A brass wire of length 1m and area of
cross section 1mm? is stretched by
applying a force of 20N, then work done
per unit volume of the wire is
[ Ybrass = 0.91 x 10' N/m2]
(A) 2198J/m
(B) 1049 J/m3
(C) 4422J/m
3
η
(D) 4521 J/m ?​

Answer 1

Answer:

The answer is a option A

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