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Question. Two steel rods & an aluminium rod of equal length l and equal cross-section are joined rigidly at their ends as shown in the figure. _______________________________________ |______________________________________| |______________________________________| |______________________________________| All the rods are in the state of zero tension at 0°C. Find the lenght of the system when the temperature is raised to θ°C. Coefficient of linear expansion of aluminium & steel are α1 and α2, respectively. Young's modulus of aluminium is Y1 and of steel is Y 2. .


Question. Two steel rods & an aluminium rod of equal length l

 

and equal cross-section are joined rigidly at their ends as shown in the figure.

 

_______________________________________

|______________________________________|   <-------steel

|______________________________________|   <-------aluminium

|______________________________________|   <-------steel

 

All the rods are in the state of zero tension at 0°C. Find the lenght of the system when the temperature is raised to θ°C. Coefficient of linear expansion of aluminium & steel are α1 and α2, respectively. Young's modulus of aluminium is Y1 and of steel is Y2.

 

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Grade:upto college level

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