Home
Class 12
PHYSICS
Explain:- Thermo emf...

Explain:- Thermo emf

Promotional Banner

Topper's Solved these Questions

  • Current Electricity

    CHETANA PUBLICATION|Exercise Exercise|92 Videos

  • AC CIRCUITS

    CHETANA PUBLICATION|Exercise Exercise|122 Videos

  • Dual Nature of Radiation and Matter

    CHETANA PUBLICATION|Exercise EXERCISE|89 Videos

Similar Questions

Explore conceptually related problems

Explain:- Thermocouple.

Explain the process

Write the equation for thermo emf when cold junction is at 0^@C and the hot junction is at T^@C what will be the shape of graph showing variation of thermo emf with a temperature?

Write down the equation for thermo emf when cold junction is at 0^@C and the hot junction is at T^@C .

Answer in your own words. : Explain how temperature of the substance kept in the thermos flask is maintained.

Why the emf generated in ac generated is AC? Explain the graph of current v//s time.

Explain with help of graph how emf isinduced in the magnet coil system?

Explain the Doppler effect in light and hence explain the red and blue shift.

Explain how food and other substances are transported in plants? OR Explain translocation in plants.

Explain the following : Explain the inheritance of sickle-cell anaemia disease.

CHETANA PUBLICATION-Current Electricity-Exercise
  1. Length of potentiometer wire is 600 cm and a driving cell develop 6V p...

    Text Solution

    |

  2. The algebraic sum of current at junction in any electric circuit is eq...

    Text Solution

    |

  3. Which of the following instruments in generally used with a galvanomet...

    Text Solution

    |

  4. A Wheatstone's bridge ABCD is balanced with a galvanometer between the...

    Text Solution

    |

  5. The emf of a cell is E volt and internal resistance is r ohm. It resis...

    Text Solution

    |

  6. State the principle of potentiometer.

    Text Solution

    |

  7. Write down the equation for thermo emf when cold junction is at 0^@C a...

    Text Solution

    |

  8. A cell of emf 1.1 V and internal resistance r is connected across as e...

    Text Solution

    |

  9. State any two advantages of potentiometer over voltmeter.

    Text Solution

    |

  10. Distinguish between ammeter and voltmeter, (any two points).

    Text Solution

    |

  11. If V = nv Vg then show that X = G(nv -1).

    Text Solution

    |

  12. Define potential gradient. State its unit and dimension.

    Text Solution

    |

  13. Four resistances 4Omega, 8Omega, xOmega and 6Omega are connected in th...

    Text Solution

    |

  14. If a galvanometer is shunted by one third of its resistance, find the ...

    Text Solution

    |

  15. Explain:- Thermo emf

    Text Solution

    |

  16. Explain:- see back effect

    Text Solution

    |

  17. Explain:- Thermocouple.

    Text Solution

    |

  18. State any three sources of error in meterbridge experiment and steps t...

    Text Solution

    |

  19. With a resistance R1 in the left gap and a resistance R2 in the right ...

    Text Solution

    |

  20. State Kirchoff's laws in electricity:- Calculate the value of I1 and I...

    Text Solution

    |