Figure shows two rods A and B of same length L and same cross-sectional area S but of different material having coefficient of linear expansion α1 and α2 respectively. They are clamped between two rigid walls, separated by a distance 2L. This all refers to temp t∘C. Find the tension in each rod at temp 2t∘C (Take the young’s modulus for the two rods to be Y1 and Y2 respectively).

Figure shows two rods A and B of same length L and same cross-sectiona

1.	Figure shows two rods A and B of same length L and same cross-sectional area S but of different material having coefficient of linear expansion α1 and α2 respectively. They are clamped between two rigid walls, separated by a distance 2L. This all refers to temp t∘C. Find the tension in each rod at temp 2t∘C (Take the young’s modulus for the two rods to be Y1 and Y2 respectively).
Answer» Figure shows two rods $A$ and $B$ of same length $L$ and same cross-sectional area $S$ but of different material having coefficient of linear expansion $α_{1}$ and $α_{2}$ respectively. They are clamped between two rigid walls, separated by a distance $2 L$ . This all refers to temp $t^{\circ} C$ . Find the tension in each rod at temp $2 t^{\circ} C$ (Take the young’s modulus for the two rods to be $Y_{1}$ and $Y_{2}$ respectively).

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