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Two wires of the same length and radius are joined end to end and loaded.If the youngs moduli of the materials of the wire are Y1and Y2

Two wires of the same length and radius are joined end to end and loaded.If the youngs moduli of the materials of the wire are Y1and Y2

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Grade:12

1 Answers

Arun
25750 Points
6 years ago
Dear Soham
 
in series
delta L  = delta L1 + delta L2
hence
cross ection are and length is same, then
1 / Y = 1/ Y1 + 1/ Y2
1/ Y = Y1+ Y2 / Y1* Y2
Y = Y1 * Y2 / (Y1 + Y2)
hence option D  is correct.
 
Regards
Arun (askIITians forum expert)

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