A Tension of 22N is applied to a copper wire of cross sectional area 0.02cm^{2} , Young’s modulus of copper is 1.1 \times10 N /m^{2} and Poisson’s ratio 0.32. The decrease in cross sectional area will be

Correct Answer is : 0.64 × 10−8 m2

AP and TS EAMCET Engineering Model Paper 11

Question : 92 of 160

Marks: +1, -0

A Tension of 22N is applied to a copper wire of cross sectional area 0.02cm‌2 , Young’s modulus of copper is 1.1×10 N /m‌2 and Poisson’s ratio 0.32. The decrease in cross sectional area will be

0.64 × 10‌−8 m‌2
1.64 × 10‌−8 m‌2
2.56 × 10‌−8 m ‌2
0.64 × 10‌−6 m‌2

Validate

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