When a bimetallic strip is heated, it [CBSE PMT 1990] – McqOptions

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1.	When a bimetallic strip is heated, it [CBSE PMT 1990]
A.	Does not bend at all
B.	Gets twisted in the form of an helix
C.	Bend in the form of an arc with the more expandable metal outside
D.	Bends in the form of an arc with the more expandable metal inside
Answer» D. Bends in the form of an arc with the more expandable metal inside

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