a bimetallic strip consists of two thin strips with different metals the metals expand by different rates. the diagram shows what happened when the three different bimetallic strips are heated which metal expands the least when heated?
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OMG SO HARD I KNOW THIS IS A HARD QUESTION SO SORRY I CAN'T SOLVE ANSWER SO SORRY
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Answer:
Iron expands the least.
Explanation:
Compare the 3 strips.
Know the facts that the strip on top expands more.
This gives u:
1. Iron < Copper
2. Copper < Aluminium
3. Aluminium < Zinc.
Thus, iron expands least and zinc most.
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