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`A. Both A and B are trueB. Both A and B are falseC. A is true but B is falseD. A is false but B is true

Consider the following two statements A and B and identify the correct

1.	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`A. Both A and B are trueB. Both A and B are falseC. A is true but B is falseD. A is false but B is true
Answer» Correct Answer - D

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For a thermocouple, the neutral temperature is `270^(@)C` and the temperature of its cold junction is `20^(@)C` . If there is no deflection in the galvanometer, the temperature of the hot junction should beA. `210^(@)C`B. `540^(@)C`C. `520^(@)C`D. `209^(@)C`
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