Physics for IGCSE & O level - Thermal Effects (Section 1 - No. 48)
Which of these materials is typically used in a bimetallic strip?
Two different types of metal.
One type of metal with a single substance.
Two different types of gas.
One type of metal with a different liquid
הֶסבֵּר
Bimetallic strips consist of two different metals, often with different expansion rates.