Home
Class 12
PHYSICS
Core of transformer is made up...

Core of transformer is made up

A

soft iron

B

steel

C

iron

D

alnico

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT

    VMC MODULES ENGLISH|Exercise EFFICIENT|49 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-G|10 Videos

  • ELECTROSTATICS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|89 Videos

Similar Questions

Explore conceptually related problems

Assertion : When a current flows in the coil of a transformer then its core becomes hot. Reason : The core of transformer is made of softiron.

The core of a transformer is laminated to reduce

The core of any transformer is laminated so as to

What properties should a material selected for making core of transformer and telephone diaphragms possess ? Give an example of such a material.

The core of any transformer is laminated so as to (1.) energy losses due to eddy currents may be minimized (2.) the weight of the transformer may be reduced (3.) rusting of the core may be prevented (4.) ratio of voltage in primary and secondary may be increased

What causes the core of a transformer to get heated up under operation ?

Why is the core of a transformer laminated?

The diagram below shows the core of a transformer and its input and output connections. State the material used for the core.

The diagram below shows the core of a transformer and its input and output connections. Copy and complete the diagram of the transformer by drawing input and output coils.

The loss of energy in the form of heat in the iron core of a transformer is

VMC MODULES ENGLISH-ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT -IMPECCABLE
  1. The potential difference V and the current I flowing through an ins...

    Text Solution

    |

  2. An alternating current is given by I = i1 cos omegat + i2 sin omegat...

    Text Solution

    |

  3. Core of transformer is made up

    Text Solution

    |

  4. A transformer works on the principle of

    Text Solution

    |

  5. A transformer has an efficiency of 80%. It works at 4 kW and 100 V. If...

    Text Solution

    |

  6. In a step - down transformer, the number of turns in

    Text Solution

    |

  7. A step-up transformer operates on a 230 V line and supplies a current ...

    Text Solution

    |

  8. Use of eddy is done on the following except :

    Text Solution

    |

  9. By what percentage the impedance in an AC series circuit should be inc...

    Text Solution

    |

  10. For high frequency, a capacitor offers

    Text Solution

    |

  11. A six pole generotar with fixed field excitation developes an e.m.f. o...

    Text Solution

    |

  12. Voltage in the secondary coil of a transfomer does not depend upon

    Text Solution

    |

  13. When power is drawn from the secondary coil of the transformer, the dy...

    Text Solution

    |

  14. What will increase in step-down transformer?

    Text Solution

    |

  15. In a step up transformer the turn ratio is 1 : 2. A Leclanche cell (e...

    Text Solution

    |

  16. The e.m.f. induced in a secondary coil is 20000 V when the current bre...

    Text Solution

    |

  17. Two coils are wound on the same iron rod so that the flux generat...

    Text Solution

    |

  18. A current of 5A is flowing at 220V in the primary coil of a transforme...

    Text Solution

    |

  19. A transformer has 1500 turns in the primary coil and 1125 turns in th...

    Text Solution

    |

  20. An electric generator is based on :

    Text Solution

    |