The bimetallic strip made up of aluminium and copper, when heated bend – McqOptions

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1.	The bimetallic strip made up of aluminium and copper, when heated bends in the direction shown below. Which metal expands more when the two are heated at the same temperature?
A.	Aluminium expands more than copper.
B.	Copper expands more than aluminium.
C.	Both aluminium and copper expand by the same amount.
D.	Neither aluminium nor copper expands.
Answer» B. Copper expands more than aluminium.

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