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[" 4.A steel wire and a copper wire of e...

[" 4.A steel wire and a copper wire of equal length and equal "],[" cross-sectional area are joined end to end and the "],[" combination is subjected to a tension.Find the ratio of "],[" (a) the stresses developed in the two wires and (b) the "],[" strains developed.Y of steel "=2times10^(11)Nm^(-2).Y" of copper "],[=1.3times1011Nm^(-2)]

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A steel wire and a copper wire of equal length and equal cross- sectional area are joined end to end and the combination is subjected to a tension. Find the ratio of copper/steel (a) the stresses developed . In the two wires, (b) the strains developed. (Y of steel = 2xx10^(11) N//m^(2) )

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