Home
Class 12
PHYSICS
The sensitivity of the potentiometer can...

The sensitivity of the potentiometer can be increased by

A

Increasing the emf of the cell

B

Increasing the length of the potentiometer wire

C

Deceasing the length of the potentiometer wire

D

None of the above

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Magnetic Effects of Current

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise EXCERSICE|47 Videos

  • Nuclear Reactions

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|12 Videos

Similar Questions

Explore conceptually related problems

Give two factors by which the current sensitivity of a moving coil galvanometer can be increased.

Give two factors by which voltage sensitivity of a moving coil galvanometer can be increased?

How can current sensitivity of moving coil galvanometer be increased ?

The sensitivity of a moving coil galvanometer increases with decrease is

If the current sensitivity of a moving coil galvanometer is increased by 20%, it resistance also increases by 1.5 times. How will the voltage sensitivity of the galvanometer be affected?

PUNJAB BOARD PREVIOUS YEAR PAPERS-MODEL PAPER 2021-MCQ
  1. For protecting a sensitive equipment form external magnetic field, it ...

    Text Solution

    |

  2. A charged particle enters at 30^(@) to the magnetic field. Its path be...

    Text Solution

    |

  3. The unit of electric field is not equivalent to

    Text Solution

    |

  4. If the surface charge density of charge be sigma electric field near ...

    Text Solution

    |

  5. Work done in moving a unit positive charge through a distance of x met...

    Text Solution

    |

  6. The electric field at a point at distance r from the center of electri...

    Text Solution

    |

  7. When a wire is stretched and its radius becomes (r )/(2) then its res...

    Text Solution

    |

  8. Kirchhoff’s rules I and II prove the law of

    Text Solution

    |

  9. A magnetic field can be produced by

    Text Solution

    |

  10. Is there a magnetic force exerted by a magnetic field on a stationary ...

    Text Solution

    |

  11. In a charged capacitor, the energy resides

    Text Solution

    |

  12. What is the angle between the electric dipole moment and the electric ...

    Text Solution

    |

  13. An electric dipole with dipole moment 4×10 ^−9 C m is aligned at 30^∘ ...

    Text Solution

    |

  14. The no. of electric lines of force radiating from a closed surface in ...

    Text Solution

    |

  15. The sensitivity of the potentiometer can be increased by

    Text Solution

    |

  16. A wire has a resistance of 10.5Omega at 21^(@)C and 16.4 Omega at 14...

    Text Solution

    |

  17. When an electron is placed in magnetic field, the velocity of electron...

    Text Solution

    |

  18. A charge q is moving in a magnetic field, then the magnetic force does...

    Text Solution

    |

  19. A galvanometer of resistance 15 Omega gives a full scale deflection of...

    Text Solution

    |

  20. An electron moving with a speed of 10^(8) m/s enters a magnetic field ...

    Text Solution

    |