State the use of a bimetallic strip in the thermostat.
The bimetallic strip made up of aluminium and copper, when heated bends in the direction shown below. Which metal expands more when the two are heated at the same temperature?\n \n \n \
What is Bimetallic Thermometer? - Definition, Working, Construction, Spiral & Helix Strip Thermometer - Circuit Globe
Are bi-metallic strips still used as thermostats, or are they outdated? - Quora