A copper-constantan thermocouple generates a voltage of 503, Ask an Expert

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A copper-constantan thermocouple generates a voltage of 5.03 10-3 volts when the temperature of the hot junction is 121.0° C and the reference junction is kept at a temperature of 0.0° C. If the voltage is proportional to the difference in temperature between the junctions, what is the temperature of the hot junction when the voltage is 1.80 10-3 volts?

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