While installing a chromel-constantan thermocouple to measure the temperature of
a fluid, it is connected by mistake with copper-constantan extension leads (such that
the two constantan wires are connected and the copper extension wire is connected
to the chromel thermocouple wire). If the fluid temperature was actually 250C and
the junction between the thermocouple and extension wires was at 80C, what emf
would be measured at the open ends of the extension wires if the reference junction
is maintained at 0C? What fluid temperature would be deduced from this
(assuming that the connection mistake was not known)?
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