Thermopile is used for

Thermopile is used to

The electromagnetic waves detected using a thermopile and used in physical therapy are

The electromagnetic waves detected using a thermopile and used in physical therapy are

The electromagnetic waves detected using a thermopile and used in physical therapy are

A thermocouple produces a thermo emf of 40muV//.^(@)C . A thermopile is made by using 150 such thermocouples. The temperature of the two junctions is 20^(@)C and 40^(@)C How much thermo emf generates in the thermopile

A thermocouple produces a thermo emf of 40muV//.^(@)C . A thermopile is made by using 150 such thermocouples. The temperature of the two junctions is 20^(@)C and 40^(@)C How much thermo emf generates in the thermopile

A thermocouple produces a thermo emf of 40muV//.^(@)C . A thermopile is made by using 150 such thermocouples. The temperature of the two junctions is 20^(@)C and 40^(@)C How much thermo emf generates in the thermopile

Consider the following two statements A and B and identify the correct choice given in the answers (A) Duddells thermo-galvanometer is suitable to measure direct current only (B) Thermopile can measure temperature differences of the order of 10^(-3).^(@)C

Which of the following principle is used in a thermopile ?