Home
Class 12
PHYSICS
The ratio of secondary to the primary tu...

The ratio of secondary to the primary turns in a transformer is `3:2`. If the power output be `P`, then the input power neglecting all loses must be equal to

A

`5P`

B

1.5 P

C

P

D

2/5 P

Text Solution

Verified by Experts

The correct Answer is:
C
If there are no losses then input power of transformer and output power of transformer is same.
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    NIKITA PUBLICATION|Exercise MCQ|314 Videos

  • ELECTRONS AND PHOTONS

    NIKITA PUBLICATION|Exercise MCQs|162 Videos

Similar Questions

Explore conceptually related problems

The ratio of secondry to the primary turns in a trans is 9:4 . If the power input be P , what will be the ratio of power output (neglect all losses) to power input

The ratio of secondary to primary turns is 4:5. if power input is P, then the ratio of power output to power input is

A step down transformer converts transmission line voltage from 11000 V to 220 V. The primary of the transformer has 6000 turns and efficiency of the transformer is 60%. If the output power is 9 kW, then the input power will be

The ratio of number of turns in the primary to secondary coil of a transformer is 3.2 and the total number of turns in both the coils put together is 300. The output voltage is 200 V. Find the number of turns in each coil and the input voltage.

The ratio of secondary and primary turns of step-up transformer is 4 : 1.If a current of 4A is applied to the primary , the induced current in secondary will be

For an ideal transformer ratio of output ot the input power is always

The ratio of output power to input power of an elecrtic device is called…….

NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
  1. The transformation ratio in the step -up transformer is

    Text Solution

    |

  2. In a transformer 220 ac voltage is increased to 2200 volts. If the nu...

    Text Solution

    |

  3. The ratio of secondary to the primary turns in a transformer is 3:2. I...

    Text Solution

    |

  4. The primary winding of a transformer has 100 turns and its secondary w...

    Text Solution

    |

  5. A step-down transformer is connected to 2400 volts line and 80 amperes...

    Text Solution

    |

  6. A loss free transformer has 500 turns on its primary winding and 2500 ...

    Text Solution

    |

  7. An ideal transformer has 100 turns in the primary and 250 turns in the...

    Text Solution

    |

  8. The alternating voltage induced in the secondary coil of a transformer...

    Text Solution

    |

  9. We can reduce eddy currents in the core of transformer

    Text Solution

    |

  10. A 100% efficient transformer has 100 turns in the primary and 25 turns...

    Text Solution

    |

  11. The efficiency of transfomer is very high because

    Text Solution

    |

  12. In a lossless transformer an alternating current of 2 amp is flowing i...

    Text Solution

    |

  13. A transformer connected to 220 volt line shows an output of 2A at 1100...

    Text Solution

    |

  14. A power transformer is used to step up an alternating e.m.f. of 220 V ...

    Text Solution

    |

  15. A step up transformer connected to a 220V AC line is to supply 22 kV f...

    Text Solution

    |

  16. A transformer is employed to

    Text Solution

    |

  17. The number of turns in the primary coil of a transformer is 200 and th...

    Text Solution

    |

  18. A step-up transformer has transformation ratio of 3:2 what is the volt...

    Text Solution

    |

  19. A step-down transformer is connected to main supply 200V to operate a ...

    Text Solution

    |

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

    Text Solution

    |