[(1+2 sigma)," 16.When a wire of length ...

[(1+2 sigma)," 16.When a wire of length "10m" is subjected to a force "],[2 eta=Y," of "100N" along its length,the labiscted to a force "],[10^(10)Nm^(-2)" of "," produced is "0.01times10^(-3)m" .The Poisson's ratio "],[" st in order to "," was found to be "0.4" .If the area of cross-section of "],[" copper wire ",(1.6times10^(8)Nm^(-2)" .(2) "2.5times10^(10)Nm^(-2)],[[" Whu din mires of length "l," radius "r" and length "2l" radis "]],[qquad [" 17.Two wires of length "l," radius "r" and length "2l" radis "]]

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