High School Physics + more

fire alarm

What is a Bimetallic strip & what are its uses?

If equal lengths of two different metals, such as copper and iron, are riveted together so that they cannot move separately, they form a bimetallic strip (Figure 1). When heated, copper expands more than iron, and to allow this the strip bends with copper on the outside (Figure 2). If they had expanded equally, the […]

Scroll to top