A thermocouple is a temperature sensor that consists of two wires made from different conductors. The junction of these two wires produces a voltage based on the temperature difference between them.
In an electronic circuit, a thermocouple can be used to:
keep the circuit at a designated safe temperature |
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increase or decrease the temperature of a component in the circuit |
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open or close a circuit at a designated temperature |
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link the temperature of one component in the circuit to that of another component in the circuit |