Home
Class 12
PHYSICS
In ballistic galvanometer, the frame on ...

In ballistic galvanometer, the frame on which the coil is wound is non-metallic. It is

A

Avoid the production of induced e.m.f.

B

Avoid the production of eddy currentsq

C

Increase the production of eddy currents

D

Increase the production of induced e.m.f.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    ERRORLESS |Exercise QUESTIONS|126 Videos
  • MAGNETISM

    ERRORLESS |Exercise Assertion & Reason|1 Videos

Similar Questions

Explore conceptually related problems

In a ballistic galvanometer the deflection is proportional to

Moving Coil Galvanometer

In a moving coil galvanometer is based on the

A small cylindrical magnet M (Fig) is placed in the centre of a thin coil of radius a consisting of N turns. The coil in connected to a ballistic galvanometer. The active resistance of the whole circuit is equal to R . Find the magnetic moment of the magnet if its removel from the coil results in a charge q flowing through the galvanometer.

In moving coil galvanometer, the magnetic field used is

ERRORLESS -MAGNETIC EFFECT OF CURRENT-Exercise
  1. Two parallel wires of length 9 m each are separated by a distance 0.15...

    Text Solution

    |

  2. Current i is carried in a wire of length L. If the wire is turned into...

    Text Solution

    |

  3. In ballistic galvanometer, the frame on which the coil is wound is non...

    Text Solution

    |

  4. Two thin, long, parallel wires, separated by a distance 'd' carry a cu...

    Text Solution

    |

  5. Three long, straight parallel wires carrying current, are arranged as ...

    Text Solution

    |

  6. A circular current carrying coil has a radius R. The distance from the...

    Text Solution

    |

  7. The field normal to the plane of a wire of n turns and radis r which c...

    Text Solution

    |

  8. Figure shows three cases: in all case the circular part has radius r a...

    Text Solution

    |

  9. The straight long conductors AOB and COD are perpendicular to each oth...

    Text Solution

    |

  10. A cell is connected between the point A and C of a circular conductor ...

    Text Solution

    |

  11. An infinetely long conductor PQR is bent to from a right angle as show...

    Text Solution

    |

  12. Two coaxil solenoids 1 and 2 of the same length are set so that one is...

    Text Solution

    |

  13. A coil having N turns is would tightly in the form of a spiral with in...

    Text Solution

    |

  14. A non - popular loop of conducting wire carrying a current I is placed...

    Text Solution

    |

  15. A long straight wire along the z- axis carries a current I in the neg...

    Text Solution

    |

  16. A particle of charge +q and mass m moving under the influence of a un...

    Text Solution

    |

  17. H^(+), He^(+) and O^(++) all having the same kinetic energy pass thro...

    Text Solution

    |

  18. An ionized gas contains both positive and negative ions . If it is sub...

    Text Solution

    |

  19. An electron is moving with speed 2xx10^5 m//s along the positive x-dir...

    Text Solution

    |

  20. A particle of mass m and charge q moves with a constant velocity v alo...

    Text Solution

    |