Home
Class 12
PHYSICS
Two bulbs, (220V-60W) and (220V-100W) ar...

Two bulbs, (220V-60W) and (220V-100W) are connected in series and biased by a 220V(mains line. Which one will glow better?

Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER SET-17

    UNITED BOOK HOUSE|Exercise EXERCISE|33 Videos

  • QUESTION PAPER 2015

    UNITED BOOK HOUSE|Exercise EXERCISE|56 Videos

Similar Questions

Explore conceptually related problems

Two electric lamps marked 110V- 60W and 110V - 100W are connected in series and the combination is connected to 220 V mains what will be efferctive power of the lamps ? What will happen due to the above connection ?

If two bulbs of powers 60 W and 40 W be joined in series with 220 V main line, then which bulb will glow brighter and why ?

Two electric bulbs of 50 W and 100 W are connected in mains once in (ii) prallel combi-nation . Which bulb will glow brighter in each case ?

Two electric bulbs of 50 W and 100 W are connected with mains in series then which bulb will glow brighter ?

Two 120 V light bulbs, one of 25 W and other of 200 W are connected in series. One bulb burnt out almost instantaneously. Which one was burnt and why?

Two lamps of 200 W and 100 w are connected in series in 200 V mains . Assuming the resistance of the two lamps to remain unchanged , calculate the power consumed by each of them .

Two bulbs of power 60 W and 100 W , joined in series , are connected to the electric mains . Which one of these two will glow brighter , and why ?

Two incandescent lamps (25 W , 120 V ) and (100W , 120 V ) are connnected in series across a 240 V supply . Assuming that the resistances of the lamps do not vary with current ,find the power dissipated in each lamp after the connection .

Two bulbs 25W-220V and 100W-220V are given whch has higher resistance?

UNITED BOOK HOUSE-MODEL PAPER SET-18-EXERCISE
  1. At any place the horizontal component of earth is sqrt3 times the ver...

    Text Solution

    |

  2. The real object distance and real image distance from a concave mirror...

    Text Solution

    |

  3. The radius of earth is 8xx10^6m and the height of the TV tower is 100m...

    Text Solution

    |

  4. The phase difference between current and voltage is theta. What is the...

    Text Solution

    |

  5. Convert the binary (1111)2 into decimal.

    Text Solution

    |

  6. The household voltage is (220V, 50Hz). What is the. instantaneous valu...

    Text Solution

    |

  7. What is the unit of magnetic pole strength?

    Text Solution

    |

  8. What do you mean by the statement— “Half life of Radium is 1622 year’s...

    Text Solution

    |

  9. Two bulbs, (220V-60W) and (220V-100W) are connected in series and bias...

    Text Solution

    |

  10. State the Bohr’s postulate about atomic structure.

    Text Solution

    |

  11. A wire has resistance 5Omega. If it is stretched to increase the Lengt...

    Text Solution

    |

  12. How to converts 0-50mV milli voltmeter (R = 50Omega) into ammeter of r...

    Text Solution

    |

  13. Draw the diagram of a NAND gate. Write its Truth Table.

    Text Solution

    |

  14. What do you mean by electric dipole?

    Text Solution

    |

  15. 1BOT = Joule?

    Text Solution

    |

  16. The focal lengtli of a equiconvex lens is 2/3 times the radius of curv...

    Text Solution

    |

  17. Two parallel conductors- are 4cm apart in air medium. If 25 Amp and 5 ...

    Text Solution

    |

  18. What is the meaning of the statement— “The angle of dip for , Calcutta...

    Text Solution

    |

  19. A magnet of length 10 cm is present on earth. If it is placed facing N...

    Text Solution

    |

  20. The length of wings for an aeroplane is 5m. If itmoves with 100m//s ve...

    Text Solution

    |