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The Seebeck effect is used in thermocouples. If two dissimilar metals conductors are joined and the two joints (junctions) are kept at different temperatures then a voltage is produced. This is dependant on the tyes of metals used and the temperature difference between the junctions. There is a reverse of the Seebeck effect called the Peltier effect where a current through the two different materials results in a temperature difference between the junctions.

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What is thermal induction and please explain Seebeck and Peltier effect?

Thermal induction refers to the generation of electric currents through temperature differences in a material. The Seebeck effect involves the creation of a voltage between two different materials when there is a temperature difference between them, while the Peltier effect is the absorption or release of heat when an electric current flows through a junction between two different materials. These effects are the basis of thermoelectric energy conversion.


Who discovered the thermo-electric effect?

The thermo-electric effect was discovered by Thomas Johann Seebeck in 1821. He observed the generation of an electric current when two different conductors were joined at two different temperatures, leading to the development of thermocouples.


What does thermocouple produce what kind of energy?

A thermocouple produces electrical energy by utilizing the Seebeck effect, which generates a voltage when there is a temperature difference between the two junctions of dissimilar metals in the thermocouple. This electrical energy can be used to measure temperature or power electronic devices.


Does thermocouple converts chemical energy into electrical energy?

No, a thermocouple does not convert chemical energy into electrical energy. It generates electricity by using the Seebeck effect, which is based on the temperature difference between two different metals. The thermocouple produces voltage directly from heat.


What is the phenomenon of emf development between two different metals placed in contact known as?

The phenomenon of EMF development between two different metals placed in contact is known as the Seebeck effect or thermoelectric effect. It occurs when there is a temperature difference between the two metals, leading to the generation of an electromotive force (EMF) or voltage. This effect forms the basis of thermocouples used in temperature measurement and sensing applications.