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JAMB Physics 2011 Paper

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Question : 9

Total: 44

A copper wire was subjected to a tensile stress of 7.7 x 10^7. calculate strain of the wire.

[young modules = 1.1 x 1011 Nm-2]

2. 0 x 10^-5
7.0 x 10^-3
7.0 x 10^-4
2.2 x 10^-4

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