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A thermocouple force towards the conductor produces an emf of 40 μ V/oC in the linear range of temperature. A galvanometer of resistance 10 Ω whose sensitivity is 1μA/div, is employed with the thermocouple. The smallest value of temperature difference that can be detected by the system will be.
0.5oC
1oC
0.1oC
0.25oC
