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(C) bimetallic strip consists of two different metals with different coefficients of linear expansion $(\alpha)$.When the strip is heated, both metals

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bends with the metal having a higher coefficient of linear expansion on the outside of the arc.

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(C) bimetallic strip consists of two different metals with different coefficients of linear expansion $(\alpha)$.When the strip is heated, both metals expand, but the metal with the higher coefficient of linear expansion $(\alpha)$ expands more than the other.Because the two metals are bonded together, the one that expands more must form the outer part of the curve to accommodate its greater length.Therefore, the strip bends such that the metal with the higher coefficient of linear expansion is on the outside of the arc.

When a bimetallic strip is heated, it . . . . . . .

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