Home
Class 12
PHYSICS
A transformer has 50 turns in the primar...

A transformer has 50 turns in the primary and 100 in the secondary. If the primary is connected to a `220 V DC` supply, what will be the voltage across the secondary?

Text Solution

Verified by Experts

The correct Answer is:
zero

Transformer does not work on `D.C.`
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    RESONANCE|Exercise Exercise -2 Part-1|14 Videos
  • ALTERNATING CURRENT

    RESONANCE|Exercise Exercise -2 Part-2|6 Videos
  • ALTERNATING CURRENT

    RESONANCE|Exercise Problem|14 Videos
  • ATOMIC PHYSICS

    RESONANCE|Exercise Advanved level problems|17 Videos

Similar Questions

Explore conceptually related problems

A transformer has 100 turns in the primary and 500 turns in the secondary. If the primary is connected to 220V DC supply, then the voltage develop across the secondary will be

A transformer has 200 turns in primary coil and 600 turns in secondary coil. If a 220 V DC is applied across primary coil what will be the voltage across secondary coil.

The primary winding of a transfomer has 50 turns while its secondary has 500 turns. If the primary is connected to an a.c. supply of 220 V, 50 Hz, then the output at the secondaray will be

A transformer has 1500 turns in the primary coil and 1125 turns in the secondary coil. If a voltage of 200V is applied across the primary coil , then the voltage in the secondary coil is :

An ideal transformer has 500 and 5000 turn in primary and secondary windings respectively. If the primary voltage is connected to a 6V battery then the secondary voltage is

A transformer has 500 turns in the primary and 1000 turns in its secondary. The primary voltage is 200 V and load in secondary is 100 ohm. Calculate the current in primary assuming it to ideal transformer.

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

RESONANCE-ALTERNATING CURRENT-Exercise -1 Part-1
  1. An inductor-coil , a capacitor and an AC source of rms voltage 24 V ar...

    Text Solution

    |

  2. An electro magnetic wave of wavelength 300 metre can be transmitted by...

    Text Solution

    |

  3. A transformer has 50 turns in the primary and 100 in the secondary. If...

    Text Solution

    |

  4. In a transformer ratio of secondary turns (N(2)) and primary turns (N(...

    Text Solution

    |

  5. r.m.s. value of current i=3+4 sin (omega t+pi//3) is:

    Text Solution

    |

  6. The peak value of an alternating emf E given by E=(E0) cos omega t ...

    Text Solution

    |

  7. The voltage of an AC source varies with time according to the equation...

    Text Solution

    |

  8. An alternating voltage is given by: e = e(1) sin omega t + e(2) cos om...

    Text Solution

    |

  9. An AC voltage is given by E=E(0) sin(2pit)/(T). Then the mean value of...

    Text Solution

    |

  10. An AC voltage of V=220sqrt2 sin (100 pit-pi/2) is applied across a DC ...

    Text Solution

    |

  11. The average power delivered to a series AC circuit is given by (symbol...

    Text Solution

    |

  12. In an LCR circuit the energy is dissipated in

    Text Solution

    |

  13. The potential difference V across and the current I flowing through an...

    Text Solution

    |

  14. A direct current of 2 A and an alternating current having a maximum va...

    Text Solution

    |

  15. A sinusoidal ac current flows through a resistor of resistance R . If ...

    Text Solution

    |

  16. What is the r.m.s. value of an alternating current which when passed t...

    Text Solution

    |

  17. A resistor and a capacitor are connected to an ac supply of 200 V, 50 ...

    Text Solution

    |

  18. The impedance of a series circuit consists of 3 ohm resistance and 4 o...

    Text Solution

    |

  19. A coil of inductance 5.0 mH and negligible resistance is connected to ...

    Text Solution

    |

  20. An electric bulb and a capacitor are connected in series with an AC so...

    Text Solution

    |