A.a flow of holes
B.a voltage difference between the two junctions
C.melting of wires
D.no measureable effect
Related Mcqs:
- In a thermocouple, the potential between the two junctions is due to the temperature gradient along the conductors in the circuit. This effect is named as
- For a given thermocouple E.M.F. generated __________________?
- Which one of the following thermocouples develops least e.m.f. for the same difference of temperature between hot and cold junctions?
- If a closed circuit is made of two dissimilar metals, an electric current flows in the circuit whdn the two junctions are maintained at different temperatures. This phenomenon is known as
- A wall 50 mm thick (thermal conductivity k = 40 W/m?C) has temperature difference on two surfaces of 100?C. What could probably change if the temperature difference of this wall drops to 100?C
- Which one of the following is used for thermocouple junctions?
- Peltier effect relates__________?
- Thomson effect relates______________?
- Which of the following temperature is highest?
- The measurement junction of a thermocouple is taken from an environment of 300?C to 600?C. If time constant of the thermocouple is 1 second, temperature indicated by it, in ?C, after 1 second would be about
