Home
Class 10
PHYSICS
Three heaters each rated *250 W, 100 V a...

Three heaters each rated *250 W, 100 V are connected in parallel to a 100 V supply. Calculate :
the energy supplied in kWh to the three heaters in 5 hours.

Text Solution

AI Generated Solution

To solve the problem, we will follow these steps: ### Step 1: Calculate the resistance of each heater The power (P) and voltage (V) ratings of each heater are given as: - Power (P) = 250 W - Voltage (V) = 100 V Using the formula for power: ...
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    ICSE|Exercise EXERCISE-8(C) MULTIPLE CHOICE TYPE)|2 Videos
  • CALORIMETRY

    ICSE|Exercise EXERCISE-11(B) (NUMERICALS)|15 Videos
  • ELECTRO-MAGNETISM

    ICSE|Exercise EXERCISE-10 (C) NUMERICALS |1 Videos

Similar Questions

Explore conceptually related problems

Three heaters each rated *250 W, 100 V are connected in parallel to a 100 V supply. Calculate : the total current taken from the supply,

A geyser is rated '1500 W, 250 V'. This geyser is connected to 250 V mains. Calculate : the energy consumed in 50 hours

Two lamps, one rated 40 W, 220 V and the other having resistance of 605 Omega and rated 60 W, 220 V are connected in parallel combination across a 220 V supply. Calculate the current drawn from the supply line.

Two bulbs 100 W, 250 V and 200 W, 250 V are connected in parallel across a 500 V line. Then-

Three bulbs of 40 W , 60 W and 100 W are connected in series with a 240 V source.

A geyser is rated '1500 W, 250 V'. This geyser is connected to 250 V mains. Calculate : the cost of energy consumed at ₹ 4.20 per kWh for 50 hours.

If two identical heaters each rated as (1000 W, 220V) are connected are connected in parallel to 220 V, then the total power consumed is .

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.

ICSE-CURRENT ELECTRICITY-EXERCISE-8(C) NUMERICALS
  1. A current of 0.2 A flows through a wire whose ends are at a potential ...

    Text Solution

    |

  2. What is the resistance, under normal working conditions, of an electri...

    Text Solution

    |

  3. Two bulbs are rated 60 W, 220 V' and '60 W, 110 V respectively. Calcul...

    Text Solution

    |

  4. An electric bulb is rated 250 W, 230 V'. Calculate: the energy con...

    Text Solution

    |

  5. An electric bulb is rated 250 W, 230 V'. Calculate: the time in wh...

    Text Solution

    |

  6. Three heaters each rated *250 W, 100 V are connected in parallel to a ...

    Text Solution

    |

  7. Three heaters each rated *250 W, 100 V are connected in parallel to a ...

    Text Solution

    |

  8. Three heaters each rated *250 W, 100 V are connected in parallel to a ...

    Text Solution

    |

  9. A bulb is connected to a battery of p.d. 4 V and internal resistance 2...

    Text Solution

    |

  10. A bulb is connected to a battery of p.d. 4 V and internal resistance 2...

    Text Solution

    |

  11. A bulb is connected to a battery of p.d. 4 V and internal resistance 2...

    Text Solution

    |

  12. Two resistors A and B of resistance 4 Omega and 6 Omega respectively...

    Text Solution

    |

  13. Two resistors A and B of resistance 4 Omega and 6 Omega respectively...

    Text Solution

    |

  14. A battery of e.m.f. 15 V and internal resistance 2 Omega is connecte...

    Text Solution

    |

  15. Water in an electric kettle connected to a 220 V supply takes 5 minute...

    Text Solution

    |

  16. An electric toaster draws current 8 A in a circuit with source of volt...

    Text Solution

    |

  17. An electric iron is rated 220 V, 2 kW. If the iron is used for 3h da...

    Text Solution

    |

  18. An electrical appliance is rated 1500 W, 250 V. This appliance is conn...

    Text Solution

    |

  19. A geyser is rated '1500 W, 250 V'. This geyser is connected to 250 V m...

    Text Solution

    |

  20. A geyser is rated '1500 W, 250 V'. This geyser is connected to 250 V m...

    Text Solution

    |