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In a given thermocouple, the emfs at 250...

In a given thermocouple, the emfs at `250^(@)C` and `50^(@)` C with respect to `0^(@)`C are `40mu V` and `5 mu V` respectively. Find of emf generated when the junctions are maintained at the temperature at `250^(@)C` and `50^(@)C`.

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