Electrician Red Seal · Question
What type of sensor uses the Seebeck effect to generate a voltage proportional to a temperature difference?
A thermocouple operates on the principle of the Seebeck effect, where a temperature difference between two dissimilar electrical conductors creates a voltage. T
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Question: What type of sensor uses the Seebeck effect to generate a voltage proportional to a temperature difference?
Answer options:
- Thermistor
- Resistance Temperature Detector (RTD) ✅ Thermocouple
- Infrared temperature sensor
Correct answer: Thermocouple
Explanation: A thermocouple operates on the principle of the Seebeck effect, where a temperature difference between two dissimilar electrical conductors creates a voltage. Thermistors and RTDs change resistance with temperature, while infrared sensors detect thermal radiation.
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- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
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