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In an experiment, brass and steel wires ...

In an experiment, brass and steel wires of length 1 m each with areas of cross section `1mm^(2)` are used. The wires are connected in series and one end of the combined wire is connected to a rigid support and other end is subjected to elongation. The stress required to produce a net elongation of 0.2 mm is, [Given, the Young’s Modulus for steel and brass are, respectively, `120 xx 10^(9) N//m^(2) and 60 xx 10^(9) N//m^(2)`

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