Industrial Electronics and Electrical Quiz... Questions and Answers

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Transcript

00:00Which sensor measures temperature by changing the resistance of a platinum wire?

00:04A. Thermocouple

00:06B. Thermistor

00:08C. RTD

00:16The correct answer is C.

00:18An RTD that uses a platinum wire like PT100 and PT1000 measures temperature

00:24by detecting the change in electrical resistance.

00:27As temperature increases, the resistance of the platinum wire in an RTD increases,

00:32allowing for accurate and repeatable temperature measurements.

00:36What is the Seebeck effect related to?

00:38A. RTDs

00:40B. Thermocouples

00:42C. Thermistors

00:51The correct answer is B.

00:53The Seebeck effect relates to thermocouples as it generates a voltage when two different metals join

00:58and experience a temperature difference.

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