Home
Class 12
PHYSICS
A cell of emf 2V produces 0.3A current w...

A cell of emf 2V produces 0.3A current when connected to a resistor of `5Omega`. Calculate the terminal voltage and internal resistance of the cell.

Promotional Banner

Topper's Solved these Questions

  • FUNDAMENTAL OF CURRENT ELECTRICITY

    NN GHOSH|Exercise Exercises|45 Videos
  • ELECTROMAGNETIC INDUCTION

    NN GHOSH|Exercise EXERICISES-B|18 Videos
  • GALVANOMETERS: AMMETER AND VOLTMETERS

    NN GHOSH|Exercise Exercise|32 Videos

Similar Questions

Explore conceptually related problems

For a cell terminal potential difference is 2.2 V when circuit is open and reduces to 1.8V when cell is connected to a resistance of R= 5Omega then determine internal resistance of cell is:-

The reading on a high resistance voltmeter. When a cell is connected across it is 2.2 V . When the terminals of the cell are connected to a resistance of 5 Omega the voltmeter reading drop to 1.8 V . Find the internal resistance of the cell.

The reading on a high resistance voltmeter when a cell is connected across it is 3 V. When the terminals of the cell are also connected to a resistance of 4 Omega , then the voltmeter reading drops to 1.2 V. Find the internal resistance of the cell.

A cell of emf 4V and internal resistance 1Omega is being charged by DC source of 10V through resistor of 5Omega .Calculate the terminal voltage across the cell -

A cell of emf epsilon and internal resistance r gives a current of 0.5 A with an external resistance of 12 Omega and a current of 0.25 A with an external resistance of 25 Omega . Calculate (a) internal resistance of the cell and (b) emf of the cell.

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:

The emf of a cell is 2 V. When the terminals of the cell is connected to a resistance 4Omega . The potential difference across the terminals, if internal resistance of cell is 1Omega is

NN GHOSH-FUNDAMENTAL OF CURRENT ELECTRICITY-Exercises
  1. A cell of emf 2V produces 0.3A current when connected to a resistor of...

    Text Solution

    |

  2. A wire carries a constant current of 10A. How many coulombs and how ma...

    Text Solution

    |

  3. Two batteries of emf epsilon(1) and epsilon(2) produce a current of 1....

    Text Solution

    |

  4. In a battery of 10 cell supposed to be in series some are wrongly conn...

    Text Solution

    |

  5. How you would arrange 24 cells, each of emf 1.5V and internal resistan...

    Text Solution

    |

  6. A letter A is constructed as a uniform wire of resistance 1 ohm/cm. Th...

    Text Solution

    |

  7. Calculate the the resistivity of the material of a wire whose resistan...

    Text Solution

    |

  8. The resistance of 100m of copper wire of diameter 0.056 xx 10^(-2) m i...

    Text Solution

    |

  9. Calcualte the resistance of a steel wire of length 10m and diameter 0....

    Text Solution

    |

  10. Three wires whose lengths are in the ratio 3:8:18 and radii in the rat...

    Text Solution

    |

  11. A moving coil galvanometer of resistance 50Omega is connected in serie...

    Text Solution

    |

  12. A resistance box, a battery and a galvanometer of resistance G ohm are...

    Text Solution

    |

  13. A shunt is to be applied to a galvanometer of 99Omega so that only 10%...

    Text Solution

    |

  14. Two identical cells of emf 1.5V and internal resistance 1Omega are joi...

    Text Solution

    |

  15. A battery of emf 6V internal resistance 5Omega is joined in parallel w...

    Text Solution

    |

  16. A battery of emf 6 volts and internal resistance 1Omega is connected i...

    Text Solution

    |

  17. Two batteries of emfs 24V and 6V and internal resistance 2Omega and 1O...

    Text Solution

    |

  18. The sides of a square ABCD are formed of wires, each of resistance r a...

    Text Solution

    |

  19. In a wheatstone bridge, the resistance of the arms of the bridge are A...

    Text Solution

    |

  20. ABCD is a square of side a meters and is mae up of wires of resistance...

    Text Solution

    |

  21. A battery of 2V and internal resistance 2Omega is used in wheatstone b...

    Text Solution

    |