Deformation of Solids and Materials Practice Questions | A-Level Physics

Deformation of Solids and Materials

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A uniform wire of original length \(L=2.40\,\text{m}\) and cross-sectional area \(A=0.40\,\text{mm}^2\) is loaded by a force \(F=72\,\text{N}\). The extension is \(0.48\,\text{mm}\) and the wire remains elastic. Estimate the Young modulus \(E\) of the wire.

Select one option.

\(2.2\times 10^{10}\,\text{Pa}\)
\(9.0\times 10^{10}\,\text{Pa}\)
\(9.0\times 10^{11}\,\text{Pa}\)
\(2.2\times 10^{11}\,\text{Pa}\)
\(9.0\times 10^{9}\,\text{Pa}\)

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