Home
Class 12
PHYSICS
A potentiometer is an ideal device of me...

A potentiometer is an ideal device of measuring potential difference because

A

it has a long wire

B

it uses a sensitive galvanometer

C

it does not disturb the potential difference it measures

D

both 'a' and 'b'

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|314 Videos

  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Examples for Practice)|8 Videos

  • ELASTICITY

    NIKITA PUBLICATION|Exercise MCQ|314 Videos

Similar Questions

Explore conceptually related problems

The unit for measuring potential difference is:

A tachometer is a device to measure

The device used for measuring potential difference is known as:

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

Potometer is a device used for measuring rate of

Potentiometer is an ideal instrument because

The sundial is a device for measuring :

NIKITA PUBLICATION-CURRENT ELECTRICITY-Multiple Choice Questions
  1. In a potentiometer circuit, all the +ve terminals should be connected...

    Text Solution

    |

  2. The best instrument for the accurate measurement of the e.m.f. of a ce...

    Text Solution

    |

  3. A potentiometer is an ideal device of measuring potential difference b...

    Text Solution

    |

  4. The e.m.f. of two cells can be compared by

    Text Solution

    |

  5. The balancing lengths for the cells of e.m.f. E(1) and E(2) are l(1)...

    Text Solution

    |

  6. The equation, ( E(1))/(E(2))= (l(1)+l(2))/(l(1)-l(2)), is used to com...

    Text Solution

    |

  7. The internal resistance of the cell can be determined by,

    Text Solution

    |

  8. The unit of potential gradient is

    Text Solution

    |

  9. In comparing e.m.f. of two cells by a potentiometer balance point is o...

    Text Solution

    |

  10. The sensitivity of the potentiometer can be increased by

    Text Solution

    |

  11. Which of the following can cause the null point of a potentiometer to ...

    Text Solution

    |

  12. When null point is obtained in the potentiometer the current is draw...

    Text Solution

    |

  13. Potentiometer was first invented by

    Text Solution

    |

  14. In the construction of potentiometer, the length of wire used is

    Text Solution

    |

  15. A potentiometer is more sensitive when

    Text Solution

    |

  16. Instead of voltmeter, potentiometer is always used to measure e.m.f. ...

    Text Solution

    |

  17. The potentiometer wire of resistance R is connected in series with a c...

    Text Solution

    |

  18. Potentiometer is used to

    Text Solution

    |

  19. The internal resistance of a cell by potentiometer is given by

    Text Solution

    |

  20. In potentiometer experiment to determine internal resistance of the ce...

    Text Solution

    |