When metal wire is elongated by hanging load on it, then fractional change in volume 
is proportional to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
When a metal wire is stretched by a load the fractional change in the transverse length is
proportional to the fractional change in the longitudinal length.
Poisson's ratio 
Volume 
Area 
length
+ 
(from equation (i))
(Poisson's ratio is constant for metal or material)
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