A rod of material with \[E=200\times {{10}^{3}}\] MPa and \[\propto ={{10}^{-\,3}}\text{mm/mm }\!\!{}^\circ\!\!\text{ C}\] is fixed at both the ends. It is uniformly heated such that the increase in temperature is\[\text{30 }\!\!{}^\circ\!\!\text{ C}\]. The stress, developed in the rod is

\[2000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Tensile)

\[6000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Tensile)

\[6000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Compressive)

\[2000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Compressive)

A rod of material with \[E=200\times {{10}^{3}}\] MPa and \[\propto ={

1.	A rod of material with \[E=200\times {{10}^{3}}\] MPa and \[\propto ={{10}^{-\,3}}\text{mm/mm }\!\!{}^\circ\!\!\text{ C}\] is fixed at both the ends. It is uniformly heated such that the increase in temperature is\[\text{30 }\!\!{}^\circ\!\!\text{ C}\]. The stress, developed in the rod is
A.	\[6000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Tensile)
B.	\[6000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Compressive)
C.	\[2000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Tensile)
D.	\[2000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Compressive)
Answer» C. \[2000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Tensile)

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A rod of material with \[E=200\times {{10}^{3}}\] MPa and \[\propto ={{10}^{-\,3}}\text{mm/mm }\!\!{}^\circ\!\!\text{ C}\] is fixed at both the ends. It is uniformly heated such that the increase in temperature is\[\text{30 }\!\!{}^\circ\!\!\text{ C}\]. The stress, developed in the rod is

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