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Subject :NSO    Class : Class 7

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.

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7

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