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Physics for IGCSE & O level - Thermal Effects (Section 1 - No. 24)

What does a thermocouple thermometer measure?
The resistance to electric current
The force generated between two dissimilar metals due to a temperature difference
The expansion of liquid
The resistance to radiation.

स्पष्टीकरण

A thermocouple generates a voltage based on the temperature difference between two dissimilar metals.

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