Industrial Electronics and Electrical Quiz... Questions and Answers
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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.