Home
Class 12
PHYSICS
What is increase in step-down transforme...

What is increase in step-down transformer?

A

Voltage

B

Current

C

Power

D

Current density

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos
  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|84 Videos
  • ELASTICITY

    TARGET PUBLICATION|Exercise Evaluation test|14 Videos
  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

The transformation ratio in the step-down transformer is

Which of the following equantities remain constant in a step- down transformer ?

A portable radio has a built in transformer so that it can work form the mains instead of batteries. Is this a step - up or step down transformer ?

What is Transformer? Explain step up and step down transformer?

How id the primary coil in a step-down transfomer different from that in a step-up transformer?

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-COMPETITIVE THINKING
  1. A 100 Omega resistance and a capacitor of 100 Omega reactance are conn...

    Text Solution

    |

  2. The output power in step-up transformer used in practice is

    Text Solution

    |

  3. What is increase in step-down transformer?

    Text Solution

    |

  4. A transformer is used to light a 100 W and 110 V lamp from a 220V main...

    Text Solution

    |

  5. An ideal transformer converts 220V a.c. to 3.3kV a.c. to transmit a po...

    Text Solution

    |

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

    Text Solution

    |

  7. A 220 V input is supplied to a transformer. The output circuit draws a...

    Text Solution

    |

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

    Text Solution

    |

  9. Assertion : A transformer cannot work on dc supply. Reason : dc chan...

    Text Solution

    |

  10. A step-down transformer has 50 turns on secondary and 1000 turns on pr...

    Text Solution

    |

  11. A step up transformer operates on a 230 V line and a load current of 2...

    Text Solution

    |

  12. A transformer having efficiency of 90% is working on 200 V and 3 kW po...

    Text Solution

    |

  13. The output of a step down transformer is measured to be 48V when conne...

    Text Solution

    |

  14. A coil has 2000 turns and area of 70cm^(2). The magnetic field perpen...

    Text Solution

    |

  15. In a region of uniform magnetic induction B=10^(2) tesla, a circular c...

    Text Solution

    |

  16. Alternating current can not be measured by D.C. Ammeter because

    Text Solution

    |

  17. If E(0) represents the peak value of the voltage in an ac circuit, the...

    Text Solution

    |

  18. The rms value of current in a 50Hz AC circuit is 6A. The average value...

    Text Solution

    |

  19. An alternating voltage E=200sqrt(2) sin (100 t)V is connected to a 1 m...

    Text Solution

    |

  20. A capacitor of capacitance 10muF is connected to an AC source and an A...

    Text Solution

    |