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`        Hello,i wanted to know what is the effective youngs modulus when two wires of equal length and equal area are connected in parallel and in series respectively?`
6 months ago

Arun
23523 Points
```							Young modulus of a material is defined asY=(F/A )(L/l)Here. F=force applied on material wireA=cross sectional area of the material wireL=initial length of the wirel=increase in length of the wire;The two rods given in question behave as two wires do.All other things being the same except increase in lengths of rods , thus if these are looking and for the two rods thenl1=(F/A)(L/Y1)and l2=(F/A)(L/Y2)For equivalent increase in length of the rod of length L and young modulus is given asl=l1+l2=FL/(AY1)+FL/(AY2)Or F (L)/(AY)=FL/A [1/Y1+1/Y2]Or. 1/Y=(1/Y1+1/Y2)
```
6 months ago
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