Home
Class 12
PHYSICS
Ferro magnetic materials used in transfo...

Ferro magnetic materials used in transformer must have

A

low permeability and high hysterisis loss

B

high permeabililty of low hysterisis loss

C

high permeability and high hysterisis loss

D

low permeability and low hysterisis loss

Text Solution

Verified by Experts

The correct Answer is:
B

Ferromagnetic materials used in a transformer must have high permeability and low hysterisis loss.
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2008

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos
  • KARNATAKA CET 2010

    KCET PREVIOUS YEAR PAPERS|Exercise Physics|60 Videos

Similar Questions

Explore conceptually related problems

Ferromagnetic materials used in a transformer must have

What kind of ferromagnetic material is used for coating magnetic tapes in a cassette player, or for building 'memory stores in a modern computer?

A transformer is used to

The material used for permanent magnet has

Relative permeability of a material, mu, = 0.5 . Identify the nature of the magnetic material and write its relation to magnetic susceptibility.

The material used in solar cells contains

Draw the variation of magnetic field(B) with magnetic intensity(H) when ferromagnetic material is subjected to a cycle of magnetisation.

Is the permeability of a ferromagnetic material independent of the magnetic feld? If not, is it more for lower or higher fields?

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2009-PHYSICS
  1. In a radioactive disintegration, the ratio of initial number oif atoms...

    Text Solution

    |

  2. A ray of light is incident on a surface of glass slab at an angle 45^(...

    Text Solution

    |

  3. Ferro magnetic materials used in transformer must have

    Text Solution

    |

  4. According to Newton's corpuscular theory, the speed of light is

    Text Solution

    |

  5. State the condition for constructive interference in terms of path dif...

    Text Solution

    |

  6. The accurate measuremetn of emf can be obtained using

    Text Solution

    |

  7. The kinetic energy of an electron gets tripled, then thede Broglie wav...

    Text Solution

    |

  8. Which of the following is not a thermodynamic co-ordinate?

    Text Solution

    |

  9. Two solid pieces, one of steel and the other of aluminium when immerse...

    Text Solution

    |

  10. The amount of energy released when one microgram of mater is annihila...

    Text Solution

    |

  11. The number of significant figures in the numbers 4.8000xx10^(4) and 48...

    Text Solution

    |

  12. beta decay means emission of electron from

    Text Solution

    |

  13. An electric heater rated 220 V and 550 V is connected to AC mains. The...

    Text Solution

    |

  14. A body of mass m moving along a straight line covers half the distance...

    Text Solution

    |

  15. The moment of inertia of a circular ring of radius r and mass M about ...

    Text Solution

    |

  16. A body of mas 0.05 kg is observed to fall with an acceleration of 9.5 ...

    Text Solution

    |

  17. The colloidal solution in which both the dispersed phase and dipersion...

    Text Solution

    |

  18. In fog, photographs of the objects taken with infrared radiations are ...

    Text Solution

    |

  19. Three concurrent co-planat forces 1N,2N and 3N acting along different ...

    Text Solution

    |

  20. Sound waves transfer

    Text Solution

    |