PH-2191
Cooling curves
Physics · Secondary 4 · Medium · Cooling curves
A thermocouple thermometer gives a reading of 240 µA when one junction is in melting ice (0 °C) and the other in steam at 100 °C. When the hot junction is placed in an unknown liquid, the reading is 72 µA.
Assuming a linear scale, what is the temperature of the liquid?
Assuming a linear scale, what is the temperature of the liquid?
- 30 °C
- 18 °C
- 72 °C
- 170 °C
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