Figure shows graph between stress and strain for a uniform wire at two different femperatures. Then
Figure shows graph between stress and strain for a uniform wire at two different femperatures. Then
- A
$T_2 > T_1$
- B
$T_1 > T_2$
- C
$T_1 = T_2$
- D
None of these
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The length of metallic wire is $l$. The tension in the wire is $T_1$ for length $l_1$ and tension in the wire is $T_2$ for length $l_2$. Find the original length.
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- [JEE MAIN 2021]
A steel rod of length $1\,m$ and area of cross section $1\,cm^2$ is heated from $0\,^oC$ to $200\,^oC$ without being allowed to extend or bend. Find the tension produced in the rod $(Y = 2.0 \times 10^{11}\,Nm^{-2}$, $\alpha = 10^{-5} C^{-1})$
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