Home
Class 12
PHYSICS
When un known resistance and a resistanc...

When un known resistance and a resistance of `4Omega` are used in the left and right gaps of a meter bridge, the balance point is 50cm. the shift in the balance point if a `4Omega` resistance is now connected parallel to the resistor in right gap ______

A

`(100)/(3)cm`

B

`(50)/(3)cm`

C

`(300)/(3)cm`

D

`(400)/(5)cm`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise EXERCISE - III|73 Videos

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise EXERCISE - IB|44 Videos

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|44 Videos
AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - II
  1. A 6Omega resistance is connected in the left gap of a meter bridge. In...

    Text Solution

    |

  2. Two equal resistances are connected in the gaps of a metre bridge. If ...

    Text Solution

    |

  3. When un known resistance and a resistance of 4Omega are used in the le...

    Text Solution

    |

  4. Two unknown resistances x and y are connected in the left and right ga...

    Text Solution

    |

  5. When two resistances (50)/(3)Omega and unknown resistance are connecte...

    Text Solution

    |

  6. In a meter bridge experiment Two unknown resistances X and Y are conne...

    Text Solution

    |

  7. The emf of a battery A is balanced by a length of 80cm on a potentio m...

    Text Solution

    |

  8. The balancing lengths of potentiometer wire are 800 cm and 600cm when ...

    Text Solution

    |

  9. The ratio of potential gradients is 1:2, the resistance of two potenti...

    Text Solution

    |

  10. When 6 identical cells of no internal resistance are connected in seri...

    Text Solution

    |

  11. The balancing length for a cell is 560cm in a potentiometer experiment...

    Text Solution

    |

  12. The resistivity of a potentiometer wire is, if the area of cross secti...

    Text Solution

    |

  13. A potentiomete wire of 10m length and 20 Ohm resistance is connected i...

    Text Solution

    |

  14. A potentiometer has a wire of 100cm length and its resistance is 10 Oh...

    Text Solution

    |

  15. The length of potentiometer wire is 200 cm and the emf of standard cel...

    Text Solution

    |

  16. The emf of a cell is 2V and its internal resistance is 2 ohm. A resist...

    Text Solution

    |

  17. A cell in secondary circuit gives null deflection for 2.5 m length of ...

    Text Solution

    |

  18. A potentiometer wire of length L and a resistance r are connected in s...

    Text Solution

    |

  19. The resistance of a wire is 'R' ohm. If it is melted and stretched to ...

    Text Solution

    |

  20. A set of 'n' equal resistors, of value 'R' each, are connected in seri...

    Text Solution

    |