Which metal is having excellent temperature vs resistance linearity used for making resistance thermometer? Platinum Copper Nickel None of these

Which metal is having excellent corrosion resistance property used for making resistance thermometer. Platinum Copper Nickel None of these

What is the effect of a rise in temperature in the resistance of pure metals?*

What is the effect of a rise in temperature in the resistance of pure metals?*Constant resistanceNoneIncrease resistanceDecrease resistance

Of the Following Thermometers the one which is the most useful for the measurement of a rapidly varying temperature is A     Platinum resistance thermometerB     Gas ThermometerC     Thermo Electric ThermometerD     Saturation vapour Pressure thermometer

Kelvin's double bridge is used to measure low resistances becauseit had high sensitivitythere is no thermoelectric emfresistance variation due to temperatureeffect of contact lead resistances is eliminatednone of the above