When measuring a voltage across a (T) type thermocouple leads sitting on a surface of a table inside a laboratory, you will see a zero voltage across it, this is because :

Question

When measuring a voltage across a (T) type  thermocouple leads sitting on a surface of a table inside a laboratory, you will see a zero voltage across it, this is because :

Accepted Answer

the thermocouple junction and the thermocouple leads are at the same temperature.

Answer

The thermocouple wires and the voltmeter leads are not of the same metal type

Answer

there is an electromagnetic interference around the thermocouple

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When measuring a voltage across a (T) type thermocouple leads sitting on a surf...

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