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[" 4.The area of cross-section of a wire...

[" 4.The area of cross-section of a wire is "10^(-5)m^(2)],[" when its length is increased by "0.1%" a tension "],[" of "1000N" is produced.The Young's modulus "],[" of the wire will be - "],[[" 1) "10^(12)Nm^(-2)," 2) "10^(11)Nm^(-2)],[" 3) "10^(9)Nm^(-2)," 4) "10^(10)Nm^(-2)]]

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