Home
Class 12
PHYSICS
An electric bulb and electric heater ar...

An electric bulb and electric heater are rated `100 W,220 V and 500 W, 220 V` respectively. Both are connected in series to a `220V` d.c. mains. Calculate the power consumed by (i) electric bulb and (ii) heater

Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC FORCES, CHARGES AND FIELDS

    SL ARORA|Exercise Problems For Self Practice|1 Videos
  • MAGNETIC EFFECTS OF CURRENT

    SL ARORA|Exercise TYPE C|4 Videos

Similar Questions

Explore conceptually related problems

An electric heater and an electric bulb are rated 500W. 220V and 100W, 220V respectively. Both are connected in series to a 220V d.c. mains. Calculate the power consumed by (i) the heater ana (ii) electric bulb.

Two bulbs are marked 220 V, 100 W and 220 V, 50W respectively. They are connected in series to 220 V mains. Find the ratio of heats generated in them.

Two bulbs are market 220V, 100W and 220V,50W respectively. They are connected in series to 220V mains. Find the ratio of heats generated in them.

Two bulbs are market 220V, 100W and 220V,50W respectively. They are connected in series to 220V mains. Find the ratio of heats generated in them.

100 W,220V V bulb is connected to 110V source. Calculate the power consumed by the bulb.

A 100W-220V bulb is connected to 110 V source. Calculate the power consumed by the bulb.

Ten 60 W, 220 V bulbs are connected in series to 220 V supply . Power consumed in the circuit is

SL ARORA-HEATING EFFECT OF CURRENT-All Questions
  1. The maximum power rating of a 20 Omega resistor is 2.0 kW. [That is, t...

    Text Solution

    |

  2. A 25W and 100W bulbs are joined in series and connected to the mains. ...

    Text Solution

    |

  3. An electric bulb and electric heater are rated 100 W,220 V and 500 W,...

    Text Solution

    |

  4. Two heaters are marked 200V, 300W and 200 V, 600 W. If the heaters are...

    Text Solution

    |

  5. Three identical resistors, each of resistance R, when connected in ser...

    Text Solution

    |

  6. The resistance of each of the three wires joined as shown in figure is...

    Text Solution

    |

  7. Find the heat produced per minute in each of the resistors shown in fi...

    Text Solution

    |

  8. A 2H.P. electric motor working on 220V mains runs for 6hours a day. If...

    Text Solution

    |

  9. A house is fitted with 20 length of 60 watt each 10 fans consuming 0....

    Text Solution

    |

  10. There are two electric bulbs rated 60W. 110V and 100W, 110V. They are ...

    Text Solution

    |

  11. Find the resistance of 240 V - 200 watt electric bulb when glowing. If...

    Text Solution

    |

  12. A thin metallic wire of resistance 100 Omega is immersed in a calorime...

    Text Solution

    |

  13. A copper electric kettle weighing 1000 g contains 900g of water at 20^...

    Text Solution

    |

  14. A coil of enamelled copper wire of resistance 50Omega is embedded in a...

    Text Solution

    |

  15. The heater coil of an elecric kettle is rated at 2000W,200V, How much ...

    Text Solution

    |

  16. A heating coil is connected in series with a resistance r. the coil is...

    Text Solution

    |

  17. A 10V battery of negligible internal resistance is charged by a 200V d...

    Text Solution

    |

  18. A dry cell of emf 1.6V and internal resistance 0.10 ohm is connected ...

    Text Solution

    |

  19. A dry cell of emf 1.5 V and internal resistance 0.10 Omega is connecte...

    Text Solution

    |

  20. A series battery of 10 lead accumulators each of emf 2V and internal r...

    Text Solution

    |