Home
Class 10
PHYSICS
If a bulb is rated 220 V and 100 W.Find ...

If a bulb is rated 220 V and 100 W.Find resistance

Promotional Banner

Topper's Solved these Questions

  • EFFECTS OF ELECTRIC CURRENT

    CHETANA PUBLICATION|Exercise EXAMPLE|135 Videos

  • DISASTER MANAGEMENT

    CHETANA PUBLICATION|Exercise EXERCISE|117 Videos

  • GRAVITATION

    CHETANA PUBLICATION|Exercise EXAMPLE|79 Videos

Similar Questions

Explore conceptually related problems

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, find the power consumed by the bulb.

A light bulb is rated 100 W for a 220 V supply. The resistance of the bulb and the peak voltage of the source respectively are

An electric lamp is rated 40 W, 100 V. Find the current in the lamp and the resistance of the lamp.

A voltmeter has a resistance of 100 Omega . What will be its reading when it is connected across a cell of emf 2 V and internal resistance 20 Omega ?

Two electric bulbs rated 60 w and 40 w respectively. are used 5 hours per day for 20 days . If the cost of a unit is Rs 4.00 find the cost of the energy used.

A 75 W lamp is designed to be used on 15 V. What is its resistance? If the lamp is to be used on 120 V, what resistance must be connected in series with it?

Solve the following examples/ numerical problems. A bulb of 40 w is connected across a source of 220 v. Find the resistance of the bulb.

A bulb of 60 w is connected across a source of 240 v . Find the resistance of the bulb.

A filament bulb (500 W, 100 V) is to be used in a 230 V main supply. When a resistance R is connected in series, it works perfectly and the bulb consumers 500 W . The value of R is

CHETANA PUBLICATION-EFFECTS OF ELECTRIC CURRENT-EXAMPLE
  1. If a bulb is rated 220 V and 100 W.Find resistance

    Text Solution

    |

  2. Find the odd word out Fuse wire,insulator,rubber gloves,generator

    Text Solution

    |

  3. Find the odd word out Voltmeter,Ammeter,Thermometer,Galvanometer

    Text Solution

    |

  4. Find the odd word out Loudspeaker,Microphone,Electric motor,Magnet

    Text Solution

    |

  5. Find the odd word out Armature coil,Burshes,Magnet direct current

    Text Solution

    |

  6. Find the odd word out Refrigerator, Electric fan ,Mixture, Electric...

    Text Solution

    |

  7. Find the odd word out Fuse wire,Nuetral wire,Earthing wire,Live wir...

    Text Solution

    |

  8. Find the odd one out : Electric heater,Electric bulb,Electric fuse,Ele...

    Text Solution

    |

  9. Find the odd word out Electric bell,Electric fuse,solenoid,Mircroph...

    Text Solution

    |

  10. What is heating effect of an electric current?

    Text Solution

    |

  11. What are the appliances that work on the principle of heating effect o...

    Text Solution

    |

  12. What is solenoid?

    Text Solution

    |

  13. What is electric motor?

    Text Solution

    |

  14. What do you understand by the term"Direct current(D.C.)?

    Text Solution

    |

  15. What is alternating currect(A.C)?

    Text Solution

    |

  16. Name two types of electric current?

    Text Solution

    |

  17. Name the types of electric generator.

    Text Solution

    |

  18. Name the three types of wires or calbes used in domestic electric circ...

    Text Solution

    |

  19. Which electrical appliance converts electrical energy into mechanical ...

    Text Solution

    |

  20. What Is the frequency of alternating current (A.C.) ?

    Text Solution

    |

  21. What do you mean by induced currect?

    Text Solution

    |