Home
Class 12
PHYSICS
Potentiometer is superior to voltmeter b...

Potentiometer is superior to voltmeter because

A

voltmeter has high resistance

B

resistance of potentiometer wire is quite low

C

potentiometer does not draw any current from the unknown source of emf. To be measured.

D

sensititvity of potentiometer is higher than that of a voltmeter.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 1 C.W|64 Videos

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 1 H.W|63 Videos

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos

  • COMMUNICATION SYSTEM

    NARAYNA|Exercise Level-II(H.W)|25 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise ASSERTION AND REASON|15 Videos

Similar Questions

Explore conceptually related problems

A voltmeter is a

For measurement of potential difference, potentiometer is perferred in comparison to voltmeter because

State the uses of a potentiometer. Why is a potentiometer preferred over a voltmeter for measuring emf?

Potentiometer is an ideal instrument because

Potentiometer is better for measuring the potential difference than the voltmeter because

NARAYNA-CURRENT ELECTRICITY-C.U.Q
  1. In a metre-bridge experiment, when the resistances in the gaps in the ...

    Text Solution

    |

  2. Assertion: meterbridge wire is made up of manganin Reason: The tempe...

    Text Solution

    |

  3. Potentiometer is superior to voltmeter because

    Text Solution

    |

  4. In comparing emf's of 2 cells with the helf of potentiometer, at the b...

    Text Solution

    |

  5. A potentiometer wire is connectd across the ideal battery now, the rad...

    Text Solution

    |

  6. In a potentiometer of ten wires each of 1m, the balance point is obtai...

    Text Solution

    |

  7. If the emf of the cell in the primary circuit is doubled, with out cha...

    Text Solution

    |

  8. The potential gradients on the potentiometer wire are V(1) and V(2) wi...

    Text Solution

    |

  9. If the current in the primary circuit is decreased, then balancing len...

    Text Solution

    |

  10. Temperature coefficient of resistance alpha and resistivity rho of a p...

    Text Solution

    |

  11. A series high resistance is preferable than shunt resistance in the ga...

    Text Solution

    |

  12. Sensitivity of potentiometer can be increased by

    Text Solution

    |

  13. A cell of emf E and internal resistance r connected in the secondary g...

    Text Solution

    |

  14. Potentiometer is an ideal instrument because

    Text Solution

    |

  15. On increasing the resistance of the primary circuit of potentiometer, ...

    Text Solution

    |

  16. If the value of potential gradient on potentiometer wire is decreased,...

    Text Solution

    |

  17. A cell of negligible internal resistance is connected to a potentiomet...

    Text Solution

    |

  18. For a potentiometer to function, the emf of the cell (E) in the primar...

    Text Solution

    |

  19. The balancing lengths of potentiometer wire are l(1) and l(2) when two...

    Text Solution

    |

  20. At the moment when the potentiometer is balanced,

    Text Solution

    |