A bimetal made copper and iron strips welded together is straight at r – McqOptions

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1.	A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will
A.	emain straight
B.	end towards right
C.	end towards left
D.	one of these
Answer» D. one of these

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