Home
Class 12
PHYSICS
In the metrebridge experiment , the nu...

In the metrebridge experiment , the null point is obtained at N. The value of unkonw resistance X will be .

A

`60 Omega`

B

`40 Omega `

C

` 6 Omega `

D

` 15 Omega`

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-C(OBJECTIVE TYPE QUESTION ))|13 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-D( LINKED COMPREHENSION TYPE QUESTIONS)|3 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))|69 Videos

  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION D (Assertion-Reason)|10 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION-D)|10 Videos

Similar Questions

Explore conceptually related problems

In a meter bridge experiment, null point is obtained at 20 cm from one end of the wire when resistance X is balanced against another resistance Y . If X lt Y , then the new position of the null point from the same end, if one decides to balance a resistance of 4 X against Y will be at.

In a meter bridge experiment, null point is obtained at 20 cm from one end of the wire when resistance X is balanced against another resistance Y . If X lt Y , then the new position of the null point from the same end, if one decides to balance a resistance of 4 X against Y will be at.

In the meter bridge experimental set up, shown in the figure, the null point 'D' is obtained at a distance of 40 cm from end A of the meter bridge wire. If a resistance of 10 Omega is connected in series with R_(1), null point is obtained at AD = 60 cm. Calculate the values of R_(1) and R_(2).

In a meter bridge, the null point is found at a distance of l_1 cm from A. if now a resistance of X is connected in parallel with S, the null point occurs at l_2 cm . Obtain a formula for X is terms of l_1,l_2 and S .

In the meter bridge circuit shown, the null point is obtained at C (AC = x) on the wire AB. If the diameter of the wire AB is doubled, the position of the new null point C' will correspond to

Statement-1 : In a Meter Bridge experiment, null point for an unknown resistance is measured. Now, the unknown resistance is put inside an enclosure maintained at a higher temperature. The null point can be obtained at the same point as before by decreasing the value of the standard resistance. Statement-2 : Resistance of metal increases with increase in temperature.

Statement-1 : In a Meter Bridge experiment, null point for an unknown resistance is measured. Now, the unknown resistance is put inside an enclosure maintained at a higher temperature. The null point can be obtained at the same point as before by decreasing the value of the standard resistance. Statement-2 : Resistance of metal increases with increase in temperature.

In a metre bridge the null point is found at a distance of 35 cm from A. If now a resistance of 10Omega is connected in parallel with S, the null point occurs at 50 cm. Determine the values of R and S.

In a meter bridge, the null point is found at a distance of 40 cm from A. If now a resistance of 12 Omega is connected in parallel with S, the null point occurs at 60 cm from A. Determine the value of R.

In a meter bridge, the null points is found at a distance of 33.7 cm from A. If now a resistance of 12 Omega is connected in parallel with S, the null point occurs at 51.9 cm. Determine the values of R and S.

AAKASH INSTITUTE ENGLISH-CURRENT ELECTRICITY-ASSIGNMENT SECTION-B(OBJECTIVE TYPE QUESTION ))
  1. An ammeter and a milliammeter are converted from identical galvanomete...

    Text Solution

    |

  2. A voltmeter has resistance 2000 Omega and range 5 V. For increasing it...

    Text Solution

    |

  3. In the metrebridge experiment , the null point is obtained at N. The...

    Text Solution

    |

  4. A battery of unknown emf connected to a potentiometer has balancing le...

    Text Solution

    |

  5. The drift velocity of free electron in a metal wire of a given potenti...

    Text Solution

    |

  6. Find the equivalent resistance between A and B in the following cases

    Text Solution

    |

  7. In the circuit shown, the current drawn by the cell is

    Text Solution

    |

  8. The equivalen resistance between A and B in the network shown in figur...

    Text Solution

    |

  9. Two bulbs A and B are connected as shown . When switch 'S' is closed...

    Text Solution

    |

  10. A current i passes through a wire of length l , radius of cross-sectio...

    Text Solution

    |

  11. The power consumption by the circuit shown in figure at steady state i...

    Text Solution

    |

  12. The current I through a conductor varies with time t as shown in figur...

    Text Solution

    |

  13. The current drawn by the battery in the situation shown in figure is

    Text Solution

    |

  14. The equivalnent resistance between A and B n the situdation shown is

    Text Solution

    |

  15. In the situation shown , the readings of ideal ammeters A(1) and A(2)...

    Text Solution

    |

  16. In the situation shown, the current in arm PQ will be

    Text Solution

    |

  17. Seven identical cells each of e.m.f. E and internal resistance r are c...

    Text Solution

    |

  18. In the situation shown, resistance R(1),R(2) and R(3) are in the ratio...

    Text Solution

    |

  19. In the situation shown in figure , an ideal ammeter is connected acros...

    Text Solution

    |

  20. Two cells when connected in series are balanced on 6 m on a potentiome...

    Text Solution

    |