Home
Class 12
PHYSICS
A battery having e.m.f. 5V and internal ...

A battery having e.m.f. 5V and internal resistance 0.5 is connected with a resistance of `4.5 Omega`, then the voltage at the terminals of the battery is

A

0 V

B

4V

C

4.5 V

D

`oo`

Text Solution

Verified by Experts

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

A battery of e.m.f. 2 V and internal resistance 2Omega is connected to an external resistance 8Omega . If the length of the conductor is 4 m, then potential gradient between the two ends of the wire is

A battery of emf 12 V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.6 A, Calculate terminal voltage of the battery when the circuit is closed.

A potentiometer has a uniform wire of length 10 m and resistance 5 Omega . The potentiometer is connected to an external battery of e.m.f. 10V and negligible internal resistance and an external resistance of 995 Omega in series.The potential gradient along the wire is

A cell of e.m.f. 3 V and internal resistance 4 Omega is connected to two resistances of 10 Omega and 24 Omega joined in parallel. Find the current through each resistance using Kirchhoff's laws

A battery of emf 12 V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.5 A, Calculate resistance of resistor.

Choose correct alternative. The internal resistance of a cell of emf 2V is 0.1 Omega . It is connected to a resistance of 0. 9 Omega . The voltage across the cell will be.

Two batteries of e.m.f. 4 V and 8 V with internal resistance 1Omega and 2Omega are connected in a circuit with a resistance of 9Omega as shown in figure. The current and potential difference between the points P and Q are respectively

Choose correct alternative. A battery of emf 10 volt is connected to a voltmeter of resistance 135 Omega . Find the reading of the voltmeter if internal resistance of the cell is 15 Omega A. 8 volt B. 9 volt C. 10 volt D. none of the above

A battery of emf 4 volt and internal resistance 1 Omega is connected in parallel with another battery of emf 1 V and internal resistance 1 Omega (with their like poles connected together). The combination is used to send current through an external resistance of 2 Omega . Calculate the current through the external resistance.

CHETANA PUBLICATION-Current Electricity-Exercise
  1. Two unknown resistrance X and Y are connected to left and right gaps o...

    Text Solution

    |

  2. In a balanced Wheatstone's bridge, if the position of the galvanometer...

    Text Solution

    |

  3. A battery having e.m.f. 5V and internal resistance 0.5 is connected wi...

    Text Solution

    |

  4. A cell supplies a current 1.2A through a resistor 2 Omega. The same ce...

    Text Solution

    |

  5. A voltmeter having a resistance of 50 Omega is connected across a cell...

    Text Solution

    |

  6. The length and cross-section of the wire of meter bridge are

    Text Solution

    |

  7. The balance point is obtained at 40 cm from left end in meter bridge. ...

    Text Solution

    |

  8. Kelvin's method of determination of resistance of galvanometer

    Text Solution

    |

  9. Accuracy of potentiometer can be easily increased by

    Text Solution

    |

  10. A potential difference 3V is applied across a potentiometer wire of le...

    Text Solution

    |

  11. A cell of internal resistance "r" is connected to an external resistan...

    Text Solution

    |

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

    Text Solution

    |

  13. Kirchhoffs voltage law and current law are respectively in accordance ...

    Text Solution

    |

  14. A skeleton cube is made of 12 wires, each of resistance R. The resista...

    Text Solution

    |

  15. When unknown resistance is determined by meterbridge the error due to ...

    Text Solution

    |

  16. In potentiometer experiment, if l1 is the balancing length for emf of ...

    Text Solution

    |

  17. An ideal ammeter has

    Text Solution

    |

  18. Which of the following statement is true?

    Text Solution

    |

  19. In the following circuit the value of resistance R

    Text Solution

    |

  20. The deflection in moving coil galvanometer is reduced to half when it ...

    Text Solution

    |