Applications of thermoelectric emf
Answers
Answer:
the emf produced is proportional to the temperature difference of the two junctions, the property can be utilized to fabricate the thermometer, so called thermoelectric thermometer. The most commonly used thermo-couples for such a device are copper-constantan and gold 2% cobalt-copper.
Thermocouples are used in temperature measurement equipment and in various automatic control and monitoring systems. A thermoelectric thermometer is produced by combining a thermocouple with an electrical measurement instrument, such as a millivoltmeter or potentiometer.
Explanation:
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Answer:
This effect can be used to generate electricity, measure temperature or change the temperature of objects. Because the direction of heating and cooling is affected by the applied voltage, thermoelectric devices can be used as temperature controllers.
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