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Automatic cold junction compensation in thermocouple is provided by : | |
A. | connecting thermocouple wires, in op-position [Wrong Answer] |
B. | a nickel wire resistance in series with a manganin resistance [Correct Answer] |
C. | maintaining cold junction temperature constant by a cooling unit [Wrong Answer] |
D. | using a photovoltaic cell [Wrong Answer] |
E. | connecting a dry battery cell in opposi¬tion. [Wrong Answer] |
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