Abstract
Thermopower (S) is an important parameter to estimate efficiency of a thermoelectric material. Differential method is a well-known and reliable method to estimate S. Uncertainty in S may arise from several factors. A typical S measurement set-up has been considered to explain two processes of Data acquisition (DAQ) using differential method. Uncertainties in DAQ have been estimated for two processes. Numerical calculations have been carried out using developed theory of uncertainties.
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