Seebeck effect: Determining the thermoelectric voltage as a function of the temperature differential

VP7.2.5.1
Seebeck effect: Determining the thermoelectric voltage as a function of the temperature differential
Seebeck effect: Determining the thermoelectric voltage as a function of the temperature differential Thermoelectric voltage as a function of the temperature Top: chrome-nickel/constantan, Middle: iron/constantan, Bottom: cupper/constantan (P7.2.5.1)
Seebeck effect: Determining the thermoelectric voltage as a function of the temperature differential

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Description

In the experiment P7.2.5.1, the thermoelectric voltage UT is measured as a function of the temperature differential T between the two contact points for thermocouples with the combinations iron/constantan, copper/constantan and chrome-nickel/constantan. One contact point is continuously maintained at room temperature, while the other is heated in a water bath. The differential thermoelectric voltage is determined by applying a best-fit straight line

to the measured values.

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