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The thermo emf of a thermocouple is 40 m...

The thermo emf of a thermocouple is `40 mu V K^(-1)` at room temperature. A galvanometer of resistance `100 Omega` capable of detecting current as law as `10 muA` is connected with one such thermocouple. Calculate the smallest temperature difference that can be detected by such a thermocouple.

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25 K
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