What is the form of the emf produced in thermocouple?
(where Δ t =difference in temperature between the hot thermocouple junction and the reference junction of the thermocouple and a, b are constants)
1
\(E=\frac{a}{(\Delta t)^2}\)
2
E = b e-aΔt
3
E = a(Δt)
4
E = a(Δt) + b(Δt)2