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Two steel rods and an aluminium rod of equal length l 0 and equal cross-section are joined rigidly at their ends as shown in the figure below. All the rods are in a state of zero tension at 0 o C. Find the length of the system when the temperature is raised to . Coefficient of linear expansion of aluminium and steel are respectively. Young's modulus of aluminium is Y a and of steel is Y s . [Ans. ]


Two steel rods and an aluminium rod of equal length l0 and equal cross-section are joined rigidly at their ends as shown in the figure below. All the rods are in a state of zero tension at 0oC. Find the length of the system when the temperature is raised to . Coefficient of linear expansion of aluminium and steel are  respectively. Young's modulus of aluminium is Ya and of steel is Ys.

 

[Ans. ]


Grade:11

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