Home
Class 10
PHYSICS
Two lamps, one rated 40W at 220V and the...

Two lamps, one rated 40W at 220V and the other 60W at 220 V, are connected in parallel to the electric supply at 220V.
(a) Draw a circuit diagram to show the connections.
(b) Calculate the current drawn from the electric supply.
(c) Calculate the total energy consumed by the two lamps together when they operate for one hour.

Text Solution

Verified by Experts

The correct Answer is:
(a) `(##NCERT_PHY_X_C01_E01_225_A01##)`
(b) `0.45A` (c) `356.4 kJ`
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Very Short Answer Type Questions|1 Videos
  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Short Answer Type Questions|2 Videos
  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Sample Problem|1 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT BOOK|2 Videos

Similar Questions

Explore conceptually related problems

Two lamps, one rated 40 W at 220 V and the other 100 W at 220 V, are connected in parallel to the electric supply at 220V. (a) Draw a circuit diagram to show the connections. (b) Calculate the current drawn from the electric supply. (c) Calculate the total energy consumed by the two lamps together when they operate for one hour.

Two bulbs, one rated 100 W at 220 V and other 200 W at 220 V are connected In series In parallel to the electric main supply of 220 V. Find the current drawn in each case.

Two lamps, one rated 100 W at 220 V , and the other 60 W at 220 V , are connected in parallel to the electric mains supply. What current is drawn from the line if the supply voltage is 220 V ?

LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. Which uses more energy: a 250 WTV set in 1 hour or a 1200 W toaster in...

    Text Solution

    |

  2. Compare the power used in the 2 Omega resistor in each of the followin...

    Text Solution

    |

  3. Two lamps, one rated 40W at 220V and the other 60W at 220 V, are conne...

    Text Solution

    |

  4. An electric kettle connected to the 230V mains supply draws a current ...

    Text Solution

    |

  5. A 2 kW heater, a 200 WTV and three 100W lamps are all switched on from...

    Text Solution

    |

  6. What is the maximum power in kilowatts of the appliance that can be co...

    Text Solution

    |

  7. An electric fan runs from the 230V mains. The current flowing through ...

    Text Solution

    |

  8. (a) What is meant by "electric power"? Write the formula for electric ...

    Text Solution

    |

  9. When an electric lamp is connected to 12V battery, it draws a current ...

    Text Solution

    |

  10. The unit for expressing electric power is:

    Text Solution

    |

  11. Which of the following is likely to be the correct wattage for an elec...

    Text Solution

    |

  12. An electric heater is rated at 2 kW. Electrical energy costs Rs 4 per ...

    Text Solution

    |

  13. Unit of energy is SI system is

    Text Solution

    |

  14. Commercial Unit Of Energy

    Text Solution

    |

  15. How much energy does a 100W electric bulb transfer in 1 minute?

    Text Solution

    |

  16. An electric kettle for use on a 230V supply is rated at 300 W. for saf...

    Text Solution

    |

  17. How many joules of electrical energy are transferred per second by a 6...

    Text Solution

    |

  18. At a given time, a house is supplied with 100A at 220V. How many 75W, ...

    Text Solution

    |

  19. If the potential difference between the ends of a fixed resistor is ha...

    Text Solution

    |

  20. State whether an electric heater will consume more electrical energy o...

    Text Solution

    |