Home
Class 12
PHYSICS
In a thermocouple, which of the followin...

In a thermocouple, which of the following statements is not true?

A

Neutral temperature depends upon the nature of materials in the thermocouple

B

Temperature of inversion depends upon the tenperature of cold junction

C

When the temperature of the hot junction is equal to the temperature of inversion, the thermo emf becomes zero.

D

when the temperature of cold junction increases, the temperature of inversion also increases.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THERMAL AND ELECTRIC EFFECT oF CURRENT

    CP SINGH|Exercise Exercises|101 Videos
  • SEMICONDUCTORS

    CP SINGH|Exercise Exercises|140 Videos
  • WAVE NATURE OF LIGHT

    CP SINGH|Exercise EXERCISES|140 Videos
CP SINGH-THERMAL AND ELECTRIC EFFECT oF CURRENT-Exercises
  1. The maximum current that flows through a fuse wire before it blows out...

    Text Solution

    |

  2. The production of emf by maintaining a difference of tempreture betwee...

    Text Solution

    |

  3. In a thermocouple, which of the following statements is not true?

    Text Solution

    |

  4. If the cold junction of thermocouple is kept at 0^(@)C and the hot jun...

    Text Solution

    |

  5. If for a thermocouple T(n)) is the neutral temperature, T(c ) is the t...

    Text Solution

    |

  6. Neutral temperature of a thermocouple is define as the temperature at ...

    Text Solution

    |

  7. The expression for thermo emf in a thermocouple given by the relation ...

    Text Solution

    |

  8. Thermoelectric constant of a thermocouple are alpha and beta. Thermoel...

    Text Solution

    |

  9. If E=at+bt^(2), what is the neutral temperature

    Text Solution

    |

  10. Faraday's laws of electrolysis are related to

    Text Solution

    |

  11. The relation between faraday constant (F), chemical equicalent (E) and...

    Text Solution

    |

  12. To deposit one gm equivalent of an element at an electrode. The quanti...

    Text Solution

    |

  13. In producing chlorine through electrolysis 100 W power at 125 V is bei...

    Text Solution

    |

  14. If nearly 10^(5) coulomb liberate 1 g equivalent of aluminium, then th...

    Text Solution

    |

  15. when a copper votameter is connected with a battery of emf 12V,2g of c...

    Text Solution

    |

  16. In a copper voltmeter, mass deposite in 30 seconds is 'm' gram. If the...

    Text Solution

    |

  17. In an electroplating experiment, m gram of silver is deposited when 4 ...

    Text Solution

    |

  18. Silver and copper voltmeters are connected in parallel with a battery ...

    Text Solution

    |

  19. Two voltameters, one of copper and another of silver, are joined in pa...

    Text Solution

    |

  20. The current flowing in a copper voltmeter is 1.6A. The number of Cu^(+...

    Text Solution

    |