Home
Class 11
PHYSICS
A tension of 22N is applied to a copper ...

A tension of 22N is applied to a copper wire of cross sectional area `0.02"cm"^(2)`, young's modulus of copper is `1.1 xx 10^(11) N//m^(2)` and poisson's ratio 0.32. The decrease in cross sectional area will be

A

`1.28 xx 10^(-6) cm^(2)`

B

`1.6 xx 10^(-6) cm^(2)`

C

`2.56 xx 10^(-6) cm^(2)`

D

`0.64 xx 10^(-6) cm^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A tension of 20 N is applied to a copper wire of cross sectional area 0.01 cm^(2) , Young's modulus of copper is 1.1 xx 10^11N//m^(2) and Poisson's ratio is 0.32. The decrease in cross sectional area of the wire is

A tension of 22N is applied to copper wire of crosssectional area 0.02cm^2 ,Young's modulus of copper is 1.1xx10^11N/m^2 and poisson's ratio 0.32.The decrease in cross-sectional area will be

A copper wire of cross -sectional area 0.01 cm^2 is under a tension of 22N. Find the percentage change in the cross- sectional area. (Young's modulus of copper = 1.1 xx 10^(11) N//m^2 and Poisson's ratio = 0.32 )

The area of cross-section of steel wire is 0.1 cm^(2) and Young's modulus of steel is 2 times 10^(11)N" "m^(-1) . The force required to stretched by 0.1% of its length is