Home
Class 9
PHYSICS
Transformer are used:...

Transformer are used:

A

Only in DC circuit

B

Only in AC circuit

C

In both A & B circuit

D

In integrated circuit

Text Solution

Verified by Experts

The correct Answer is:
B
Transformer is used only in the circuit of AC (Alternate current).
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL EFFECTS OF ELECTRIC CURRENT AND ELECTROPLATING

    AGRAWAL EXAM CART BIHAR|Exercise Important Question|65 Videos

  • CHEMICAL EFFECTS OF ELECTRIC CURRENT AND ELECTROPLATING

    AGRAWAL EXAM CART BIHAR|Exercise Important Question|65 Videos

  • FORCES AND ITS TYPES (FRICTIONAL FORCE, GRAVITATIONAL FORCE, THRUST AND PRESSURE)

    AGRAWAL EXAM CART BIHAR|Exercise Important Questions|48 Videos
AGRAWAL EXAM CART BIHAR-CHEMICAL EFFECTS OF ELECTRIC CURRENT AND ELECTROPLATING -JNV Previous Years (2007-2020) Questions
  1. 55 Watt lamp is combined with the main wire of 220 volt, The current i...

    Text Solution

    |

  2. Electric current is measured using which of the following instrument ?

    Text Solution

    |

  3. Transformer are used:

    Text Solution

    |

  4. Choose the correct statement related to magnet: (i) In magnet there...

    Text Solution

    |

  5. When the glass rod is rubbed with the piece of silk, then according to...

    Text Solution

    |

  6. Some electric terms are given: (i) Electric Fuse (ii) Electric Motor (...

    Text Solution

    |

  7. Some circuit components have been indicated below: Out of these t...

    Text Solution

    |

  8. The filament of an electric bulb is made of

    Text Solution

    |

  9. Dynamo is a machine, the work of which is :

    Text Solution

    |

  10. What is the apparatus used in measuring the electric current ?

    Text Solution

    |

  11. What is the electrode called which is joined at -ve pole of the batter...

    Text Solution

    |

  12. In dry cell carbon rod functions as :

    Text Solution

    |

  13. Electric current is measured by :

    Text Solution

    |

  14. The angle made between geographical meridian and magnetic meridian is ...

    Text Solution

    |

  15. The positive plates in voltage cells of -

    Text Solution

    |

  16. When a magnet is heated, it

    Text Solution

    |

  17. A magnetic rod is cut in two equal parts from the right angled length....

    Text Solution

    |

  18. A magnet can be magnetized :

    Text Solution

    |

  19. A 8.0V battery is made by joining 4, 2.0V cells. For this what will be...

    Text Solution

    |

  20. The cell which can be re-charged, is:

    Text Solution

    |