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Q. No.A copper wire of length \(3~\text{m}\) is stretched by \(3~\text{mm}\) by applying an external force. The volume of the wire is \(600 \times 10^{-6} ~\text{m}^3\)
(Given Young modulus of copper \(=1.1 \times 10^{11} ~\text{N}/\text{m}^2\))
1. \(50\)
2. \(33\)
3. \(60\)
4. \(20\)
(Given Young modulus of copper \(=1.1 \times 10^{11} ~\text{N}/\text{m}^2\))
1. \(50\)
2. \(33\)
3. \(60\)
4. \(20\)
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Subtopic: Â Potential energy of wire |
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