Home
Class 12
PHYSICS
The primary winding of a transformer has...

The primary winding of a transformer has `100` turns and its secondary winding has `200` turns. The primary is connected to an ac supply of `120V` and the current flowing in it is `10A`. The voltage and the current in the secondary are

A

240 V, 5 A

B

240 V, 10 A

C

60 V, 20 A

D

120V, 20 A

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 86

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 88

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NTA MOCK TESTS-NTA NEET SET 87-PHYSICS
  1. A charge of 1 muC is divided into parts such that their charges are in...

    Text Solution

    |

  2. Two identical small conducting balls have positive charges q1 and q2 r...

    Text Solution

    |

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

    Text Solution

    |

  4. A voltage of peak value 283 V and varying frequency is applied to seri...

    Text Solution

    |

  5. A planet of mass 4 times earth spins about itself and completes one ...

    Text Solution

    |

  6. Two satellites of masses m1 and m2 (m1 gt m2) are revolving around ear...

    Text Solution

    |

  7. The total energy radiated from a block body source at constant tempera...

    Text Solution

    |

  8. In a Carnot engine when T(2) = 0^(@)C and T(1) = 200^(@)C its efficien...

    Text Solution

    |

  9. Shown in the figure are three P – V diagrams. The case in which the wo...

    Text Solution

    |

  10. A magnetic dipole of magnetic moment 6xx 10^(-2) A m^2 and moment of ...

    Text Solution

    |

  11. A wire loop that encloses an area of 20 cm^2 has a resistance of 10 O...

    Text Solution

    |

  12. A coil of inductive reactance 1//sqrt(3)Omega and resistance 1Omega is...

    Text Solution

    |

  13. An eagle flies at constant velocity horizontally across the sky, carry...

    Text Solution

    |

  14. In the given figure , if the velocity of the block C at a particular i...

    Text Solution

    |

  15. A system is shown in fig. Assume that the cylinder remains in contact ...

    Text Solution

    |

  16. During beta^(-) emission

    Text Solution

    |

  17. A nuclear transformation is denoted by X(n,alpha) rarr. (3)^(7)Li. Whi...

    Text Solution

    |

  18. Block A is hanging from a vertical spring and is at rest. Block B stri...

    Text Solution

    |

  19. If k(s) and k(p) respectively are effective spring constant in series ...

    Text Solution

    |

  20. A plane electromagnetic wave of wave intensity 6 W//m^(2) strikes a sm...

    Text Solution

    |