Home
Class 12
PHYSICS
What is the effective resistance when tw...

What is the effective resistance when two or more resistors are connected in series?

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

What is the effective resistance when two or more resistors are connected in parallel?

If resistors are connected in series.

Answer the following question: Obtain an expression for the effective resistance when a number of resistors are connected in series.

Answer the following question: Obtain an expression for the effective resistance when a number of resistors are connected in parallel.

Answer the following State the difference between effective resistance, when resistors are connected in parallel and series.

Answer the following What happens to the effective resistance when individual resistance are connected in series and parallel?

Fill in the blanks: To increase the effective resistance in a circuit, the resistors are conneted in ………..

To decrease the effective resistance in a circuit, the resistances are connected in ……………… .

Choose correct alternative. The number of equal resistance connected in series have effective resistance of 32 Omega . When the same resistances are connected in parallel then effective resistance is 2 Omega . The number of resistances are A. 4 B. 8 C. 5 D. 10

Choose correct alternative. If R is the resultant resistance of n similar resistance connected in parallel. The resultant resistance when these resistances are connected in series will be

CHETANA PUBLICATION-Current Electricity-Exercise
  1. What is the effective resistance when two or more resistors are connec...

    Text Solution

    |

  2. (1)In the following circuit, calculate the value of the current (I).

    Text Solution

    |

  3. In an electric circuit, the currents 2A, 1.5A and 3A flow towards the ...

    Text Solution

    |

  4. A resistance of 2Omega is connected in parallel to a galvanometer of r...

    Text Solution

    |

  5. A galvanometer has a resistance of 16Omega. It shows full scale deflec...

    Text Solution

    |

  6. A moving coil galvanometer has a resistance of 25Omega and goes a full...

    Text Solution

    |

  7. The combined resistance of a galvanometer of resistance 500Omega and i...

    Text Solution

    |

  8. A potentiometer wire has a resistance per unit length of 0.1 Omega//m....

    Text Solution

    |

  9. Resistance of potentiometer wire is 0.1Omega//cm. A cell of emf 1.5V i...

    Text Solution

    |

  10. In a balanced meterbridge, the segment of wire opposite to 20Omega is ...

    Text Solution

    |

  11. A uniform wire is cut into two pieces such that on piece is twice as l...

    Text Solution

    |

  12. Two coils are connected in series in one gap of the meterbridge and nu...

    Text Solution

    |

  13. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

    Text Solution

    |

  14. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

    Text Solution

    |

  15. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

    Text Solution

    |

  16. A galvanometer has resistance of 25 Omega capacity to carry a maximum ...

    Text Solution

    |

  17. At what point the null point be obtained in meterbridge experiment whe...

    Text Solution

    |

  18. The potentiometer wire has length 10m and resistance 10Omega, if the c...

    Text Solution

    |

  19. The potentiometer wire has length 10m and resistance 10Omega, if the c...

    Text Solution

    |

  20. When a resister of 10Omega is connected across a cell, its terminal po...

    Text Solution

    |

  21. Two cells having unknown emfs E1 and E2 (E1 > E2) are connected in pot...

    Text Solution

    |