What is a Thermocouple & How Does it Work? Principle of Working of Thermocouple

A thermocouple is the devise used extensively for measurement of the temperature of the body. It is composed of at least two metals joint together to form two junctions. One is connected to a body of known temperature, while the other is connected to a body of unknown temperature. This enables us to measure the temperature of the unknown body by comparing it to the known. Learn more about how it works.