A simple two-wire resistance temperature detector (RTD) is being used to measure the temperature in a water system.
Copper extension wires run from the RTD to a temperature measuring instrument 40 feet away.
If the temperature of the extension wires increases, the electrical resistance of the extension wires will __________; and the temperature indication will __________ unless temperature compensation is provided.
A. increase; increase
B. increase; decrease
C. decrease; increase
D. decrease; decrease
Show Answer
Answer: A
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