Thin Strips of Iron and Zinc Are Riveted Together to Form

Multiple Choice

Thin strips of iron and zinc are riveted together to form a bimetallic strip which bends when heated.The iron is on the inside of the bend because:

A) it has a higher coefficient of linear expansion
B) it has a lower coefficient of linear expansion
C) it has a higher specific heat
D) it has a lower specific heat
E) it conducts heat better