Home
Class 12
PHYSICS
The percentage error in measuring resist...

The percentage error in measuring resistance with a metre bridge can be minimized by adjusting the balancing point close to

A

0 cm

B

20 cm

C

50 cm

D

80 cm

Text Solution

Verified by Experts

The correct Answer is:
C

The percentage error can be minimised by adjusting the balance point near the middle of the bridge i.e. close to 50 cm.
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    ERRORLESS|Exercise NCERT BASED QUESTIONS (HEATING EFFECT OF CURRENT)|67 Videos
  • CURRENT ELECTRICITY

    ERRORLESS|Exercise PAST YEARS QUESTIONS |76 Videos
  • CURRENT ELECTRICITY

    ERRORLESS|Exercise NCERT BASED QUESTIONS (KIRCHHOFF.S LAW, CELLS)|53 Videos
  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise Assertion and Reason|23 Videos
  • ELECTROMAGNETIC INDUCTION

    ERRORLESS|Exercise ASSERTION & REASON|20 Videos

Similar Questions

Explore conceptually related problems

Show that the percentage error in the measurement of resistance by a metre bridge is minimum when the null point is near about the centre of the wire.

Two equal resistance are connected in the gaps of a metre bridge. If the resistance in the left gap is increased by 10\%, the balancing point shift

Two equal resistance are connected in the gaps of a metre bridge. If the resistance in the left gap is increased by 10% the balancing point shift

When unknown resistance and a resistance of 5 Omega are used in left and rigt gaps of meter bridge the balance point is 50 cm. The balancing point of 5Omega resistance is now connected in seriece to the resistor in right gap

The percentage error in measurements of length and time period is 2% and 1% respectively . The percentage error in measurements of 'g' is

A meter bridge cannot be used to measure …… resistances

For the accurate measurement of resistance by metre bridge, the null point should be obtained

ERRORLESS-CURRENT ELECTRICITY-NCERT BASED QUESTIONS (DIFFERENT MEASURING INSTRUMENTS)
  1. Seven resistances are connected as shown in the figure. The equivalent...

    Text Solution

    |

  2. In the circuit shown, a meter bridge is in its balanced state. The met...

    Text Solution

    |

  3. The percentage error in measuring resistance with a metre bridge can b...

    Text Solution

    |

  4. In a meter bridge experiment, resistances are connected as shown in fi...

    Text Solution

    |

  5. Resistance in the two gaps of a meter bridge are 10 ohm and 30 ohm res...

    Text Solution

    |

  6. A resistance R is to be measured using a meter bridge. Student chooses...

    Text Solution

    |

  7. An unknown resistance R(1) is connected is series with a resistance of...

    Text Solution

    |

  8. A galvanometer can be converted into an ammeter by connecting

    Text Solution

    |

  9. When a 12 Omega resistor is connected with a moving coil galvanometer,...

    Text Solution

    |

  10. The resistance of a galvanometer is 25 ohm and it requires 50muA for ...

    Text Solution

    |

  11. A galvanometer having a resistance of 8 ohm is shunted by a wire of re...

    Text Solution

    |

  12. We have a galvanometer of resistance 25 Omega. It is shunted by a 2.5 ...

    Text Solution

    |

  13. The resistance of a galvanometer coil is R. What is the shunt resistan...

    Text Solution

    |

  14. If an ammeter is connected in parallel to a circuit, it is likely to b...

    Text Solution

    |

  15. A 36 Omega galvanometer is shunted by resistance of 4Omega. The percen...

    Text Solution

    |

  16. The current flowing in a coil of resistance 90 Omega is to be reduced ...

    Text Solution

    |

  17. A galvanometer connected with an unknown resistor and two identical ce...

    Text Solution

    |

  18. In the circuit, shown the galvanometer G of resistance 60Omega is shif...

    Text Solution

    |

  19. A galvanometer of resistance G is shunted by a resistance S ohm. To...

    Text Solution

    |

  20. A galvanometer, having a resistance of 50 Omega gives a full scale def...

    Text Solution

    |