Home
Class 12
PHYSICS
what is the resistances each of an elect...

what is the resistances each of an electric bulb marked 220 V -100 W in incandescent state ?

Text Solution

Verified by Experts

The correct Answer is:
484 `Omega`
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - I)|6 Videos

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - II )|3 Videos

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE (Multiple Choice Question )|10 Videos

  • DIGITAL CIRCUITS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|6 Videos

  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|31 Videos

Similar Questions

Explore conceptually related problems

On the glass surface of an electric bulb it.is marked 220V - 100 W. What does it indicate.

What is the power rating of electric bult appliances at 220 V supply?

An electrical lamp os marked 240 V - 60 W . What is the resistance of the lamp on incandescent state ?

Find the ratio of resistances for two bulbs of 220 V-60W and 110V-60W.

What is the resistance of the filament of a bulb, on which it is written '220V-100W'?

Why the term 220 V-100W is written on an electric bulb ?

What is the resistance of the filament of a 220V-60 W bulb ? If the bulb is used in a 110 V line instead of 220 V line, then what amount of power it will consume ?

The resistance of an electrical appliance is 200 Omega and it can withstand a maximum current of 1A. To operate the appliance on a dc source of 220 V what minimum resistance should be connected in series with it?

With a uniform potentimeter wire AB of resistance 100Omega , an electric cell of emf 2 V of negligible internal resistance and voltmeter of 360 Omega is connected in between the point A and a point C on the wire . If the reading in the voltemeter be 0.72 V then in what ratio does the point C divide the wire AB ?

CHHAYA PUBLICATION-ELECTRIC ENERGY AND POWER-EXERCISE (Very Short Answer Type Questions )
  1. A current I flows through a potential drop V across a conductor . What...

    Text Solution

    |

  2. A small heating element connected to 10 V dc supply draws a current of...

    Text Solution

    |

  3. A 220 V - 1000 W electric heater is connected in parallel with a 220 V...

    Text Solution

    |

  4. Two wires having resistances R and 2R are coneected in series . If cu...

    Text Solution

    |

  5. Two wires having resistances R and 2R are coneected in parallel . If...

    Text Solution

    |

  6. A 240 V - 1000 W lamp and a 240 V - 100 W lamp - which of these two ha...

    Text Solution

    |

  7. Two resistances , each of magnitude 2Omega are connected in series a...

    Text Solution

    |

  8. Two resistances , each of magnitude 2Omega are connected in parallel...

    Text Solution

    |

  9. what is the resistances each of an electric bulb marked 220 V -100 W i...

    Text Solution

    |

  10. A 2Omega resistance is connected to a source of constant emf . Another...

    Text Solution

    |

  11. Two resistance are connected in series . If current is made to pass th...

    Text Solution

    |

  12. Two resistance are connected in parallel . If current is made to pass ...

    Text Solution

    |

  13. A 220 V - 100 W lamp and 220 V - 60 W lamp are connected in parallel ...

    Text Solution

    |

  14. A 220 V - 100 W lamp and 220 V - 60 W lamp are connected in series ....

    Text Solution

    |

  15. An electrical lamp os marked 240 V - 60 W . What is the resistance of ...

    Text Solution

    |

  16. A 220 V - 60 W electric lamp os connected to 220 V supply line . Deter...

    Text Solution

    |

  17. Which one of two electrical appliances ,rated 100 W - 200 V and 60W-2...

    Text Solution

    |

  18. What is the largest voltage you can safely put across a 98Omega,0.5 W ...

    Text Solution

    |