Home
Class 12
PHYSICS
Two identical cells of emf 1.5 V each jo...

Two identical cells of emf 1.5 V each joined in paralllel provide supply to an external circuit consisting of two resistances of `17 Omega` each joined in parallel. A very high resistance voltmeter reads the terminal voltage of cells to be 1.4 V. Calculate the internal resistance of each cell.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    SL ARORA|Exercise Problems From Competitive|18 Videos

  • CURRENT ELECTRICITY

    SL ARORA|Exercise Problems For Self|101 Videos

  • CHEMICAL EFFECT OF CURRENT

    SL ARORA|Exercise TYPE-B|5 Videos

  • ELECTRIC POTENTIAL AND ELECTRIC FLUX

    SL ARORA|Exercise Problems for self practive|61 Videos

Similar Questions

Explore conceptually related problems

Two identical cells of emf 1.5 V each joined in parallel provided supply to an external circuit cosisting of two resistances of 17 Omega each joined in parallel. A very high resistance voltmeter reads. The teminal voltage of cells to be 1.4V. Calculate the internal resistance of each cell.

Four identical cells each of emf 2V, are joined in parallel providing supply of current to external circuit consisting of two 15 Omega resistors joined in parallel. The terminal voltage of the cells ae read by an ideal voltmeter is 1.6V. Calculate the internal resistance of each cell.

In the given circuit, an ideal voltmeter connected across the 10Omega resistance reads 2V. The internal resistance r, of each cell is:

A cell has an emf 1.5V. When connected across an external resistance of 2Omega , the terminal potential difference falls to 1.0V. The internal resistance of the cell is:

Three identical cells each of 2 V and unknow internal resistance are connected in parallel. This combination is connected to a 5 ohm resistor. IF the terminal voltage across the cell is 1.5 volt, what is the internal resistance of each cell?

Two similar cells, whether joined in series or in parallel, have the same current through an external resistance of 2Omega . The internal resistance of each cell is :

Two identical cells , whether joined together in series or in parallel give the same current, when connected to external resistance of 1 Omega . Find the internal resistance of each cell.

If the reading of the ideal voltmeter shown in the circuit is 2V the internal resistance of the two identical cells is

SL ARORA-CURRENT ELECTRICITY-Problems For Self
  1. Two identical cells of emf 1.5 V each joined in paralllel provide supp...

    Text Solution

    |

  2. One billion electrons pass from a point P towards another point Q in 1...

    Text Solution

    |

  3. Calculate the number of free electrons passing through the filament of...

    Text Solution

    |

  4. In the electrolysis of silver chloride, a charge of 4xx10^(5) C is flo...

    Text Solution

    |

  5. In a hydrogen atom, the electron makes about 0.6xx10^(16) revolutions ...

    Text Solution

    |

  6. An electron gun emits 2.0xx10^(16) electrons per second. What is the a...

    Text Solution

    |

  7. An electric current of 2.0 mu A exists in a discharge tube. How much c...

    Text Solution

    |

  8. An electron moves in a circular orbit of radius 10 cm with a constant ...

    Text Solution

    |

  9. The current through a wire depends on time as I=I(0)+alpha t, where I(...

    Text Solution

    |

  10. A current of 4.8 A is flowing in a copper wire of cross-sectional area...

    Text Solution

    |

  11. A voltage of 30 V is applied across a colour coded carbon resistor wit...

    Text Solution

    |

  12. The sequence of bands marked on a carbon resistor is yellow , red oran...

    Text Solution

    |

  13. The resistance of a conductivity wire of length 1.1 m and of diameter ...

    Text Solution

    |

  14. A metal wire of specific resistance 64xx10^(-6) Omega m and length 1.9...

    Text Solution

    |

  15. A negligbly small current is passed through a wire of length 15 cm and...

    Text Solution

    |

  16. Calculate the resistance of a 2 m long nichrome wire of radius 0.321 m...

    Text Solution

    |

  17. Find the resistance of a hollow cylindrical conductor of length 1.0m a...

    Text Solution

    |

  18. Calculate the electric field in a copper wire of cross-sectional area ...

    Text Solution

    |

  19. A given copper wire of resistance R is stretched to reduce its diamete...

    Text Solution

    |

  20. What will be the change in resistance of a constantan wire when its ra...

    Text Solution

    |

  21. A wire of resistance 10 Omega is drawn out so that its length is thric...

    Text Solution

    |