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Monday, May 3, 2021

seebeck effact

 

Seebeck effect: the phenomena of production of current in thermocouple due to temperature difference between two junction of thermocouple called seebeck effect.

      Thermocouple


produced EMF depend upon separation between metals , nature of metal and temperature difference of junction.

Cause of seebeck effect:
  • Potential difference
  • Different electron density
  • Temperature difference create net potential difference which creating thermocouple EMF


\[Qn= \frac{ Q_{i}+ Q_{c}}{2}\]









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