Home
Class 12
PHYSICS
In the circuit shown in figure. A metre ...


In the circuit shown in figure. A metre bridge is shown in its balanced state. The metre bridge wire has a resistance of a 4 ohm/cm. calculate the value of the unknown resistance X and the current drawn from the battery of negligible resistance.

Text Solution

Verified by Experts

The correct Answer is:
`4Omega,0.615A`
Promotional Banner

Topper's Solved these Questions

  • ELECTRICAL INSTRUMENTS

    SL ARORA|Exercise Problem From competitive examinations|11 Videos
  • ELECTRIC POTENTIAL AND ELECTRIC FLUX

    SL ARORA|Exercise Problems for self practive|61 Videos
  • ELECTROMAGNETIC INDUCTION

    SL ARORA|Exercise All Questions|108 Videos

Similar Questions

Explore conceptually related problems

In the following circuit, a metre bridge is shown in its balanced state. The metre bridge wire has a resistance of 1 ohm/cm. calculate the value of the unknown resistance X and the current drawn from the battery of negligible internal resistance.

In the circuit shown, a meter bridge is in its balanced state. The meter bridge wire has a resistance .1 ohm//cm . The value of unknown resistance X and the current drawn from the battery of negligible resistance is

In the circuit a meter bridge a shown in the balanced state .The meter bridge wire has a resistance of 1 Omega //cm . Calculate the unknown resistance Y and the current drawn from the battery of negiligible internal resistance

In the gives circuit, a meter bridge is shows in a balanced state. The bridge wire has a resistance of 1 Omega cm^(-1) . Find the value of the unknown resistance X and the current draws from the battery of negligible internal resistance.

In the circuit shows in Fig. 6.20 , a meter bridge is in its balance state. The meter bridge wire has a resistance of 1 Omega cm^(-1) . Calculate the value of the unknow resistance X and the battery of negligible internal resistance.

In the given circuit a bridge is shown in the balanced state.The meter bridge wire has a resistance of 1 Omega cm^(-1) .Calculate the unknown resistance X and the current drawn from the battery of negligible internal resistence. If the magnitude the position of galvanometer and the cell, how it will affect the position of the galvanometer ?

In a balanced metre bridge, the segment of wire opposite to a resistance of 70Omega is 70 cm. The unknown resistance is

In an experiment of meter bridge, a null point is obtaining at the center of the bridge wire. When a resistance of 10 ohm is connected in one gap, the value of resistance other gap is

In the circuit shown in figure resistance of each wire is r. Net resistance across

In the circuit shown in figure. Calculate the current in each resistance. The internal resistnaces of the cells are negligible.

SL ARORA-ELECTRICAL INSTRUMENTS-Problem for self practice
  1. In an experiment with a potentiometer to measure the internal resistan...

    Text Solution

    |

  2. Four resistances of 15Omega,12Omega,4Omega and 10Omega respectively ar...

    Text Solution

    |

  3. Four coils resistances 3,6,9 and 30Omega respectively are arranged to ...

    Text Solution

    |

  4. The wheatstone's bridge of figure. Is showing no deflection in the gal...

    Text Solution

    |

  5. Five resistances are connected as shown in figure. What is the effecti...

    Text Solution

    |

  6. Calculate the equivalent resistance between points A and B of the netw...

    Text Solution

    |

  7. Calculate the equivalent resistance between the points A and B of the ...

    Text Solution

    |

  8. Calculate the resistance between the points A and B of the network sho...

    Text Solution

    |

  9. for the network shown in figure, determine the value of R and the curr...

    Text Solution

    |

  10. The potentiometer wire AB shown in figure. Is 40 cm long. Where should...

    Text Solution

    |

  11. The potentiometer wire AB shown in figure. Is 50 cm long. When AD=30cm...

    Text Solution

    |

  12. In an experiment with post office box, the ratio arms are 1000:10. If ...

    Text Solution

    |

  13. P,Q,R and S are the resistances taken in the cyclic order in a wheatst...

    Text Solution

    |

  14. A resistance of 5Omega is connected in one gap of a metre bridge and 1...

    Text Solution

    |

  15. In a metre bridge the length of the wire is 100 cm. At what point will...

    Text Solution

    |

  16. In the circuit shown in figure. A metre bridge is shown in its balance...

    Text Solution

    |

  17. In a metre bridge when the resistance in the left gap is 2Omega and an...

    Text Solution

    |

  18. In comparing the resistance of two coils P and Q with the help of a me...

    Text Solution

    |

  19. In a meter-bridge experiment, two resistances P and Q are connected in...

    Text Solution

    |

  20. In a meter-bridge experiment with a resistance R(1) in left gap and a...

    Text Solution

    |