Home
Class 12
PHYSICS
Ten 50W bulbs are operated for 10 hours ...

Ten `50W` bulbs are operated for 10 hours per day. The energy consumed in `kWh` in a 30 day month is

A

15

B

150

C

1500

D

15000

Text Solution

Verified by Experts

The correct Answer is:
B

`(10xx50xx10xx30)/(1000)=150kWh`
Promotional Banner

Topper's Solved these Questions

  • THERMAL AND ELECTRIC EFFECT oF CURRENT

    CP SINGH|Exercise Exercises|101 Videos
  • SEMICONDUCTORS

    CP SINGH|Exercise Exercises|140 Videos
  • WAVE NATURE OF LIGHT

    CP SINGH|Exercise EXERCISES|140 Videos

Similar Questions

Explore conceptually related problems

An electric iron rated 750 W is operated for 2 hours/day. How much energy is consumed by the electric iron for 30 days ?

In a house there are four bulbs each of 50W and 5 fans each of 60W. If they are used at the rate of 6 hours a day, the electrical energy consumed in a month of 30 days is

A bulb of 100 W is operating for 6 hours a day. Find the units of energy consumed in 7 days.

There are 5 tube-lights each of 40 W in a house. These are used on an average for 5 hours per day. In addition, there is an immersion heater of 1500 W used on an average for 1 hour per day. The nmber of units of electricity are consumed in a month is

An electric lamp of 100 watt is used for hours per day. The 'units' of energy consumed in one day by the lamp is

There are 5 tube-lights each of 40W in a house. These are used on an average for 5 hours per day. In addition,there is an immersion heater of 1500 W used on an average for 1 hour per day. The number of units of electricity are consumed in a month is

A 100 W electric bulb is used for 10 hours a day. How many units of energy are consumed in 30 days?

An electric bulb of 100 W is used for 9 hours per day. What will be the units of energy consumed in 1 day by the bulb?

CP SINGH-THERMAL AND ELECTRIC EFFECT oF CURRENT-Exercises
  1. Two identical batteries each of emf E= 2volt and internal resistance r...

    Text Solution

    |

  2. A 100W, 200V bulb is operated on a 110V line. The power consumed is

    Text Solution

    |

  3. Ten 50W bulbs are operated for 10 hours per day. The energy consumed i...

    Text Solution

    |

  4. An electric bulb rated for 500 W at 100 V is used in a circuit having ...

    Text Solution

    |

  5. An electric bulb is designed to draw P(0) power at V(0) voltage. If t...

    Text Solution

    |

  6. Two electric bulbs rated 25 W , 220 V and 100 W , 220 V are connected...

    Text Solution

    |

  7. A 100W bulb and a 25W bulb are desigened for the same voltage. They ha...

    Text Solution

    |

  8. Two electric bulbs, one of 200V, 40W, and the othere 220V, 100W are co...

    Text Solution

    |

  9. A 200W and a 100W , both meant for operation a t 220V are connected to...

    Text Solution

    |

  10. Two bulbs one of 60W and the other of 100W , are connected in series a...

    Text Solution

    |

  11. Two bulb one of 60W and the other of 100W , are connected in a house w...

    Text Solution

    |

  12. A 25W-120V bulb and a 100W-120V bulb are connected in series across 12...

    Text Solution

    |

  13. If two bulbs of 25 W and 100 W rated at 220 V are connected in series ...

    Text Solution

    |

  14. n identical light bulbs, each designed to draw P power from a certain ...

    Text Solution

    |

  15. Two tungsten lamps A and B of resistances R(1) and R(2) respectively a...

    Text Solution

    |

  16. These are two electric bulbs A and B rated 50W-100V, 100W-100V respec...

    Text Solution

    |

  17. A standard 50W electirc bulb in series with a room heater is connected...

    Text Solution

    |

  18. Two electric bulbs A and B are designed for the same voltage. Their po...

    Text Solution

    |

  19. A series circuit consists of three identical lamps connected to a batt...

    Text Solution

    |

  20. A heater is designed to operate with a power of 1000W in a 100 V line....

    Text Solution

    |