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Salsk061 [2.6K]
3 years ago
8

Which of the following devices is made of two different metals and produces a voltage when the metals are exposed to heat?

Physics
1 answer:
kondor19780726 [428]3 years ago
5 0
This is the mechanism behind a thermocouple (choice D). The two metals generate a magnetic field between them when the temperature is varied, and this causes a voltage (potential difference) to form between the metals. An electronic meter is calibrated to translate this voltage difference into a temperature value for a user to read.
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