Home
Class 12
PHYSICS
The thermoelectric pewers of Pt, Ni and ...

The thermoelectric pewers of Pt, Ni and Fe are -4 , -21 and `12 muV` per `0^(@)C` respectively . What will be the magnitude of emf of Pt-Ni and Ni-Fe thermocouples with junctions at `0^(@)C` and `100^(@)C` ?

Promotional Banner

Similar Questions

Explore conceptually related problems

Thermocouples are used to measure temperature in the linear parts of the emf versus temperature graph wilth cold junction at 0^(@)C . The thermo electric power of Pt, Ni thermocouple are =-4 and -20 microcolt per .^(@)C respectively. What will be the magnitudes of emfs of the thermocopule when thecold junction is at 0^(@)C and the hot junction is at 100^(@)C ?

The thermoelectric powers of iron and nickel with respect to lead are +12 and -20 muV respectivelty at 50^(@)C . Find the emf of the an iron-nickel thermocouple with junctions at 0^(@)C and 100^(@) C.

The thermoelectric powers of iron and copper with respect to lead are +10.5 and -3.5 mu V respectively at 100^(@)C . Find the emf of Cu-Fe thermocouple when its junctions are maintained at 50^(@) and 150^(@) C.

What are the shapes of Ni(CO)_4 and Fe(CO)_5 ?

The cold junction of a thermocouple is 0^(@)C . The ratio of thermo emf is at temperature s (of hot junction ) 50^(@)C and 100^(@)C respectively 8 : 15 . The neutral temperature of thermocouple is (e = at + bt^(2))

Find the neutral and inversion temperatures for Ni-Cu thermocople with the cold junction at 0^@C . Use data from previous example.

Find the neutral and inversion temperatures for Ni-Cu thermocople with the cold junction at 0^@C . Use data from previous example.

Account for the zero oxidation staie of Ni and Fe in [Ni(CO)_(4)] and [Fe(CO)_(5)] respectively.