Question ⤵️
List two applications of thermal expansion of liquid.
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Question ⤵️
List two applications of thermal expansion of liquid.
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Explanation:
Mercury is a metal found in a liquid state. It expands more and uniformly over a wide range of temperature. So the mercury is used as a thermometric liquid. Thermal expansion of bimetallic strips used as a heat operated switch in circuits of automatic equipment like iron box, fire alarm, electric heater, etc.