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Grade: 11
        
A copper wire (Y=1*10^11N/m2) of length 6m and a steel wire (2*10^11N/m2) of length 4m each of cross section 10^-5m2 are fastened end to end A load of 100N is applied to one end keeping the other end fixed the elongation produced in the copper wire is:
 
  a)0.2mm   b)0.4mm  c)0.6mm  d)0.8mm
one month ago
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