State the thermometric property of (i) a thermocouple, (ii) a mercury thermometer. - Leaving Cert Physics - Question (d) - 2022
Question (d)
State the thermometric property of (i) a thermocouple, (ii) a mercury thermometer.
Worked Solution & Example Answer:State the thermometric property of (i) a thermocouple, (ii) a mercury thermometer. - Leaving Cert Physics - Question (d) - 2022
Step 1
(i) a thermocouple
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Answer
The thermometric property of a thermocouple is the
voltage or electromotive force (emf) generated
due to the temperature difference between the junctions of
dissimilar metals.
Step 2
(ii) a mercury thermometer
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Answer
The thermometric property of a mercury thermometer is the
height of the mercury column, which varies with
temperature. This can also be expressed in terms of
length or volume of mercury that expands in the glass
tube.
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