Home
Class 12
PHYSICS
A step up transformer has transformation...

A step up transformer has transformation ratio `5 : 3`. What is voltage in secondary if voltage in primary is `60 V `

A

20 V

B

60 V

C

100 V

D

180 V

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION

    DISHA|Exercise Physics|30 Videos

  • ELECTROMAGNETIC WAVES

    DISHA|Exercise Physics|29 Videos

Similar Questions

Explore conceptually related problems

A step up transformer has transformation ration 5:3 . What is voltage in secondary if voltage in primary is

A step-up transformer has transformation ratio of 3:2 what is the voltage in secondary if voltage in primary is 30V ?

The transformer ratio of transformer is 10 : 1 . If the primary voltage is 440 V , secondary emf is

In a transformer with transformation ratio 0.1, 220 volt a.c. is fed to primary. What voltage is obtained acorss the secondary ?

In a transformer the transformation ratio is 0.3. If 220 V ac is fed to the primary, then the voltage across the secondary is

A step up transformer has turn ratio 10:1 . A cell of e.m.f 2 volts is fed to the primary . Secondary voltage developed is :

The primary coil of an ideal stepup transformer has 100 turns and the transformer ratio is also 100. The input voltage and power are 220 V and 1100 W. Calculate (i) number of turns in secondary (ii) current in primary (iii) voltage across secondary (iv) current in secondary (v) power in secondary.

DISHA-ELECTROMAGNETIC INDUCTION-Physics
  1. A current of 5A is flowing at 220V in the primary coil of a transforme...

    Text Solution

    |

  2. An inductor (L = 100 mH), a resistor (R = 100Omega) and a battery (E =...

    Text Solution

    |

  3. which of ther following is constructed on the principle of electromagn...

    Text Solution

    |

  4. In the circuit, E = 10 volt, R(1) = 5.0 ohm, R(2) = 10 ohm and L = 5.0...

    Text Solution

    |

  5. Two inductors L(1) and L(2) are at a sufficient distance apart. Equiva...

    Text Solution

    |

  6. If the current in the primary coil is reduced from 3.0 ampere to zero ...

    Text Solution

    |

  7. A 50 Hz a.c. current of crest value 1A flows through the primary of a ...

    Text Solution

    |

  8. In an inductor of inductance L=100mH, a current of I=10A is flowing. T...

    Text Solution

    |

  9. A step up transformer has transformation ratio 5 : 3. What is voltage ...

    Text Solution

    |

  10. A step down transformer has turn ration 100//1. If secondary coil has ...

    Text Solution

    |

  11. A step-down transformer is used on a 1000 V line to deliver 20A at 120...

    Text Solution

    |

  12. Energy stored in an inductor is proportional to (i = current in the in...

    Text Solution

    |

  13. 1Voltage (r. m. s) in the secondary coil of a transformer depends upon...

    Text Solution

    |

  14. Large transformers, when used for some time, become hot and are cooled...

    Text Solution

    |

  15. In Fig. there is a conducting loop ABCDEF of resistance lambda per uni...

    Text Solution

    |

  16. In Fig. there is a conducting loop ABCDEF of resistance lambda per uni...

    Text Solution

    |

  17. In Fig. there is a conducting loop ABCDEF of resistance lambda per uni...

    Text Solution

    |

  18. Assertion: Soft iron is used as transformer core. Reason: Soft iron ...

    Text Solution

    |

  19. Assertion : An electric motor will have maximum efficiency when back e...

    Text Solution

    |

  20. Statement-1 : A transformer cannot work on dc supply. Statement-2 ...

    Text Solution

    |