Home
Class 12
PHYSICS
In an ideal transformer, the number of t...

In an ideal transformer, the number of turns in the primary is 120 and that in the secondary is 240. What is the secondary current if the primary current is 6A

A

1.5A

B

3A

C

4A

D

5A

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Electromagnetic Induction

    CHETANA PUBLICATION|Exercise EXERCISE|109 Videos

  • Dual Nature of Radiation and Matter

    CHETANA PUBLICATION|Exercise EXERCISE|89 Videos

  • Electrostatics

    CHETANA PUBLICATION|Exercise Exercise|73 Videos

Similar Questions

Explore conceptually related problems

An ideal transformer has 100 turns in the primary and 250 turns in the secondary .The peak value of the ac is 28 V.The r.m.s .secondary voltage is nearest to

The ratio of the turns in the primary and secondary coils of transformer is1: 9. The ratio of the current in the primary to secondary is

The primary winding of a transformer has 300 turns and its secondary winding has 60. If the current in the secondary winding is 40A, find the current in the primary winding.

The primary winding of transformer has 200 turns and its secondary winding has 50 turns. If the current in the secondary winding is 40 A, the current in the primary is

In a step up transformer , the transformation ratio is 100. The primary voltage is 200V and input power is 1000 watt.The number of turns in the primary is 100. Calculate current in the secondary.

In a step up transformer , the transformation ratio is 100. The primary voltage is 200V and input power is 1000 watt.The number of turns in the primary is 100. Calculate the number of turns in secondary

In a step up transformer , the transformation ratio is 100. The primary voltage is 200V and input power is 1000 watt.The number of turns in the primary is 100. Calculate the voltage across the secondary

In a step up transformer , the transformation ratio is 100. The primary voltage is 200V and input power is 1000 watt.The number of turns in the primary is 100. Calculate the current in the primary

Why is secondary succession faster than the primary succession?

In a transformer the number of turns in primary and secondary are 500, 2500 turns, respectively. If the power input to primary is 80 xx 10^-3 W at 241 V, calculate : current in primary.

CHETANA PUBLICATION-Electromagnetic Induction-EXERCISE
  1. The number of turns in the primary and secondary coils of a transforme...

    Text Solution

    |

  2. In relation to a transformer, the relation np/ns= 20, indicate that

    Text Solution

    |

  3. In an ideal transformer, the number of turns in the primary is 120 and...

    Text Solution

    |

  4. A transformer is used to reduce the mains supplyof 220V to 22V.If the ...

    Text Solution

    |

  5. The core of a transformer is laminated

    Text Solution

    |

  6. A step down transformer of efficiency 80% is used on a 1000V line to d...

    Text Solution

    |

  7. Henry is equivalent to

    Text Solution

    |

  8. The primary winding of transformer has 200 turns and its secondary win...

    Text Solution

    |

  9. A transformer is used to reduce the main supply of 220 V to11 V. If th...

    Text Solution

    |

  10. The ratio of the turns in the primary and secondary coils of transform...

    Text Solution

    |

  11. A current in one coil changes from 5 A to 3 A in 0.2 sec and the co-ef...

    Text Solution

    |

  12. The current in the coil changes from 3A to 6 A in 3sec. If the induced...

    Text Solution

    |

  13. If south pole of the magnet is moved towards the coil then the nearer ...

    Text Solution

    |

  14. The current in the choke coil decreasing at the rate of 3 A//s and cho...

    Text Solution

    |

  15. The phenomenon of producing an induced e.m.f. in a conductor due to th...

    Text Solution

    |

  16. Faraday's laws of electromagnetic induction is related to

    Text Solution

    |

  17. To induce an e.m.f. in a coil, the magnetic flux

    Text Solution

    |

  18. The co-efficient of self induction of a coil is the ratio of

    Text Solution

    |

  19. The S.I. unit of inductance Henry can be written as

    Text Solution

    |

  20. The number of turns in primary and secondary coil of transformer are 1...

    Text Solution

    |