Home
Class 12
PHYSICS
The current sensitivity of a moving coil...

The current sensitivity of a moving coil galvanometer can be increased by

A

decreasing the magnetic field of the permanent magnet.

B

decreasing the area of the deflecting coil.

C

increasing the number of turns in the coil.

D

increasing the restoring couple of the coil.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPER

    TARGET PUBLICATION|Exercise MODEL QUESTION PAPER -II|47 Videos

  • MAGNETISM

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • OSCILLATIONS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

Write two factors by which the current sensitivity of a moving coil galvanometer can be increased?

Sensivitivity of a moving coil galvanometer can be increased by

The current sensitivity of a moving coil galvanometer increases by 35% , when its resistance is increased by a factor 3. The voltage sensitivity of galvanometer changes by a factor

If the current current sensitivity of a moving coil galvanometer is increased by 20% , its resistance also increases by 1*5 times. How will the voltage sensitivity of the galvanometer be affected?

The current sensitivity of a moving coil galvanometer increases by 20% when its resistance is dubled calculate, by what factor does the voltage sensitivity change?

The current sensitivity of a moving coil galvanometer increases by 20% when its resistance is increased by a factor 2. Calculate by what factor does the voltage sensitivity change?

TARGET PUBLICATION-MODEL QUESTION PAPER -MODEL QUESTION PAPER -II
  1. The current sensitivity of a moving coil galvanometer can be increased...

    Text Solution

    |

  2. Two solid spheres of came metal bar of mass 8M and 27M fall simultaneo...

    Text Solution

    |

  3. A stone of mass ied to a string of lengh l rotating along & a circular...

    Text Solution

    |

  4. At which temperaure, he surface tension of water has a minimum value?

    Text Solution

    |

  5. If the distance between any two bodies in the aniverse is reduwed to h...

    Text Solution

    |

  6. In a spring block system if length of the spring is reduced by 1%, the...

    Text Solution

    |

  7. A 5 muF capacitor is fully charged across a 12 V battery, It is then d...

    Text Solution

    |

  8. In Wheatstone's bridge P = 9 ohm, Q = 11 ohm, R = 4 ohm and S = 6 ohm....

    Text Solution

    |

  9. A flywheel of mass 10 kg and radius 10 cm is revolving at a speed of 2...

    Text Solution

    |

  10. Toroid is a solenoid of

    Text Solution

    |

  11. In a Young's double slit experiment, the slits are 2mm apart and are i...

    Text Solution

    |

  12. Select the correct statement . If a liquid surface is curved , then

    Text Solution

    |

  13. A wheel is subjected to uniform angular acceleration about its axis. I...

    Text Solution

    |

  14. A refrigerator with COP= 1//3 release 200 J at heat to a reservoir. Th...

    Text Solution

    |

  15. In electromagnetic induction, the induced charge in a coil is independ...

    Text Solution

    |

  16. The capacitance of a parallel plate capacitor can be increased by

    Text Solution

    |

  17. In the determination of Young's modulus (Y=(4MLg)/(pi//d^(2))) by usin...

    Text Solution

    |

  18. The centre of mass of a right circular cone of height h, radiusr and c...

    Text Solution

    |

  19. A horizontal wire oarries 160 A current below which another wire of li...

    Text Solution

    |

  20. A charge q is spread uniformly over an isolated ring of radius 'R'. Th...

    Text Solution

    |

  21. An object is placed at a distance u from a concave mirror and its real...

    Text Solution

    |