What is the reason for this?A) copper expands more than iron. B) iron expands more than copper.
A. Copper expands more than Iron IVAN
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The 2 metals have another Linear Coefficient of Thermal growth, so when they experience a transformation in temperature, one will expand more than the opposite. Simply do the scan -- everything can be clear.
A. Copper expands more, therefore as the length of the copper rod is greater it bends inwards. Imagine an athletic track taking a bend.
