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Question
Two metal strips that constitute a bimetallic strip must necessarily differ in their :
Two metal strips that constitute a bimetallic strip must necessarily differ in their :
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Solution
The correct option is C coefficient of linear expansion
If the coefficient of linear expansion is same, it won't bend at all and the whole pupose of a bimetallic strip would be lost. So, the metals must necessarily have different coefficients of linear expansion.
If the coefficient of linear expansion is same, it won't bend at all and the whole pupose of a bimetallic strip would be lost. So, the metals must necessarily have different coefficients of linear expansion.
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