Young's modulus of Al is 70x10^9 Nm^-2 and that of Cu is 120x10^9 Nm^-2. Same strain is to be produced on an aluminium wire and a copper wire of equal cross section .Which wire requires more force?
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young modules of Ai is 70 x yyzuvdcixfvfzjcfvfzuxggtcfxjchfcfjchgg
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