whats the working of principal thermocouple

Answer Posted / surya2322

thermocouple works on seeback effect
i.e when any two different metals are connected together,
an e.m.f.generates, this e.m.f is a function of the temperature

The general form of this relationship is:
e=a1t1+a2t^2+a3t^3.....an+t^n

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