Home
Class 9
PHYSICS
An electric heater is rated 1500 W. How ...

An electric heater is rated 1500 W. How much energy does it use in 10 hours ?

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

An electric heater is rated 1500W. How much energy does it use in 10 hours?

A certain household has consumed 250 units of electric energy during a month.How much energy is this in joules ?

An electic room heater is rated at 2 kW. Calculate the cost of using it for 2 hours daily for the month of september, if each unit costs Rs. 4.00

An electric bulb is rated 220 V and 100 W. when it is operated on 110 V, the power consumed will be

How much current will be an electric heater related 1kW draw when connected to 250 V supply?

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be -

An electric refrigerator rated 500 W operates 24 hours/day. What is the cost of the energy to operate it for 20 days at Rs.2.00 per kWh?

An electric bulb is rated 220V and 100 W. what is its resistance? Five such bulbs burn for 4 hours. What is the electrical energy consumed? Calculate the cost if the rate is 50 paise per unit.

MBD-WORK, ENERGY AND POWER-Example
  1. A person holds a bundle of hay over his head for 30 minutes and gets t...

    Text Solution

    |

  2. An electric heater is rated 1500 W. How much energy does it use in 10 ...

    Text Solution

    |

  3. An electric heater is rated 1500 W. How much energy does it use in 10 ...

    Text Solution

    |

  4. An object of mass 'm' is moving with velocity 'v'. How much work shoul...

    Text Solution

    |

  5. Calculate the work required to be done to stop a car of 1500 kg moving...

    Text Solution

    |

  6. What is kinetic energy ? Derive a mathematical expression for kinetic ...

    Text Solution

    |

  7. What is law of conservation of mass?

    Text Solution

    |

  8. If the force acting on the object is not in the direction of motion th...

    Text Solution

    |

  9. What is work ? How can you calculate it ? Also give the unit of work.

    Text Solution

    |

  10. Show by giving an example that if force acting in the body does not pr...

    Text Solution

    |

  11. A stone tied to one end of string is moved in a circle. How much work ...

    Text Solution

    |

  12. What is power ? Write its SI unit also.

    Text Solution

    |

  13. Prove by an experiment that mechanical energy can be transformed into ...

    Text Solution

    |

  14. Differentiate between Potential Energy and Kinetic Energy.

    Text Solution

    |

  15. A horse and a dog are running with the same velocity- If the mass of h...

    Text Solution

    |

  16. Two masses m and 2m are dropped from height h and 2h. On reaching the ...

    Text Solution

    |

  17. Two objects having same mass 'm' are moving with velocities v and 2v. ...

    Text Solution

    |

  18. A man drops a 10 kg rock from the top of a 20 m ladder. What will be i...

    Text Solution

    |

  19. A rocket of 3 xx10^6 kg mass takes off from a launching pad and acquir...

    Text Solution

    |

  20. An electric heater of 1000W is used for 2 hours a day. What is the cos...

    Text Solution

    |