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  • Longitudial stress of 1 kg/mm2 is applied on a wire. The percentage increase in length is (Y=1011 N/m2). Option:

Longitudial stress of 1 kg/mm2 is applied on a wire. The percentage increase in length is (Y=1011 N/m2). 

Option: 1

0.002  


Option: 2

0.001


Option: 3

0.003


Option: 4

0.01


Answers (1)

best_answer

Longitudinal \: strain = \frac{stress}{Y} = \frac{10^{6}}{10^{11}}=10^{-5}

%\: increase\: in \: length = 10^{-5} \times \: 100

= 10^{-5} \times \: 100 = 10^{-3}

=0.001

Posted by

HARSH KANKARIA

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