Home
Class 12
PHYSICS
The thermo e.m.f. of a thermo- couple is...

The thermo e.m.f. of a thermo- couple is `25 muV//^@C` at room temperature. A galvanometer of 40 ohm resistance, capable of detecting current as low as `10^(-5)`A, is connected with the thermo couple. The smallest temperature difference that can be detected by this system is

Promotional Banner

Similar Questions

Explore conceptually related problems

The thermo e.m.f. of a thermocouple is 25 uV//"^@C at room temperature. A galvanometer of 40 Omega resistance, capable of detecting current as low as 10^-5A , is connected with the thermocouple. The smallest temperature difference that can be detected is

The thermo emf of a thermocouple is 40 mu V K^(-1) at room temperature. A galvanometer of resistance 100 Omega capable of detecting current as law as 10 muA is connected with one such thermocouple. Calculate the smallest temperature difference that can be detected by such a thermocouple.

A thermocouple of negligible resistance produces an emf fo 40 mu V//^(@)C in the linear range of temperature. A galvanometer of resistance 10 Omega whose sensitivity is 1 mu A//div is employed with the thermocouple. The smallest value of temperature difference that can be detected by the system will

A thermocouple of negligible resistance produces an emf fo 40 mu V//^(@)C in the linear range of temperature. A galvanometer of resistance 10 Omega whose sensitivity is 1 mu A//div is employed with the thermocouple. The smallest value of temperature difference that can be detected by the system will

A thermocouple of negligible resistance produces an emf fo 40 mu V//^(@)C in the linear range of temperature. A galvanometer of resistance 10 Omega whose sensitivity is 1 mu A//div is employed with the thermocouple. The smallest value of temperature difference that can be detected by the system will

A thermocouple of negligible resistance produces an emf fo 40 mu V//^(@)C in the linear range of temperature. A galvanometer of resistance 10 Omega whose sensitivity is 1 mu A//div is employed with the thermocouple. The smallest value of temperature difference that can be detected by the system will

Near room temperature , the thermo emf of a thermo couple is 40 muV per degree. A galvanometer of 25 Omega and capable of detecting current of the order of 4 mu A is used. Calcualate the smallest temperature difference that can be detected with this galvanometer.

The themo emf of a copper-constantan thermocouple is 40muV.^(@)C^(-1) at room temperature. A galvanometer whose resistance is 80 Omega and current sensitivity 1 muA is used. Find the smallest temperature difference that the galvanometer can detect.