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Question
In figure which strip brass or steel have higher coefficient of linear expansion?
In figure which strip brass or steel have higher coefficient of linear expansion?
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Solution
The correct option is C Brass strip
In bimetallic strip on increasing temperature the strip bends towards that type for which coefficient of expansion is less and forms concavity towards that side
As the coefficient of thermal expansion of the brass is greater than steel. Hence, the length of brass strip will be more than steel strip. Therefore, brass strip will be on convex side.
Final answer (a)
In bimetallic strip on increasing temperature the strip bends towards that type for which coefficient of expansion is less and forms concavity towards that side
As the coefficient of thermal expansion of the brass is greater than steel. Hence, the length of brass strip will be more than steel strip. Therefore, brass strip will be on convex side.
Final answer (a)
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