Conductivity of platinum __________________?
A. Remains constant with change in temperature
B. Increases with increase in temperature
C. Decreases with increase in temperature
D. Increases linearly with increase in temperature
A. Remains constant with change in temperature
B. Increases with increase in temperature
C. Decreases with increase in temperature
D. Increases linearly with increase in temperature
A.change of electrical resistance with change in temperature
B.volumetric expansion of mercury with increase in temperature
C.increase of vapour pressure with increase in temperature
D.linear expansion with increase in temperature
A.current
B.e.m.f.
C.temperature
D.flow rate
A.depends on the tempaterature of hot junction
B.depends on the temperature of cold junction
C.depends on the temperature difference between hot and cold junctions
D.is constant for all temperature differences between hot and cold junctions
A.ohm/cm
B.mho/cm
C.ohm-cm
D.mho-cm
A.6
B.8
C.12
D.3
A.change of angle of refraction with composition
B.polarisation of light
C.change of electrical conductivity of solution with composition
D.change of electrical resistance with temperature.
A.Relative large thermal e.m.f.
B.Resistance to corrosion and oxidation
C.Non-linear relation of e.m.f. to temperature
D.Precision of calibration
A.Stefan-Boltzmann law
B.Ohms law
C.Seebeck effect
D.Curies law
A.increase of electrical resistance with increase in temperature
B.increase in vapour pressure with increase in temperature
C.linear expansion of metal with increase in temperature
D.e.m.f. generated in a single homogeneous wire with increase in temperature