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Two wires of same length and radius are ...

Two wires of same length and radius are joined in parallel and loaded. The Young.s modulii of the material of the wires are `Y_(1) & Y_(2)`. If the combination is taken as a single wire them its Young.s modulus is

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`F=F_(1)+F_(2) rArr (Y(2A)e)/(l)=(Y_(1)Ae)/(l)+(Y_(2)Ae)/(l)`
`2Y_(eq)=Y_(1)+Y_(2) rArr Y_(eq)=(Y_(1)+Y_(2))/(2)`
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