O-LevelPhysicsThermal Physics5054/12 · Oct/Nov 2017 · Q171 Mark
A thermocouple is a type of thermometer. Which statement applies to a thermocouple?
AIt can measure rapidly varying temperatures.
BIt must be made from three different metals.
CIts resistance decreases when one junction is heated.
DThe distance between the two junctions increases as the temperature increases.
✓ Correct answer
A: It can measure rapidly varying temperatures.
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