Demonstration Bimetallic Strip

Consists of a Bimetallic strip on base of size 130 x 80 x 30mm. A halogen bulb of 12v is mounted below this metallic strip. The bimetallic strip is heated by the glow of bulb, bends up the circuit breaks and bulb goes off. Bimetallic cools down, circuit complete, bulb glows and this whole sequence repeats.