Home
Class 10
PHYSICS
An electric toaster draws current 8 A in...

An electric toaster draws current 8 A in a circuit with source of voltage 220 V. It is used for 2 h. Find the cost of operating the toaster if the cost of electrical energy is ₹ 4.50 per kWh.

Text Solution

AI Generated Solution

To solve the problem step by step, we will calculate the energy consumed by the toaster and then find the cost of operating it. ### Step 1: Identify the given values - Current (I) = 8 A - Voltage (V) = 220 V - Time (T) = 2 hours - Cost of energy = ₹ 4.50 per kWh ...
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

An electrical heater is rated 4 kW, 220 V. Find the cost of using this heater for 12 h, if one kWh of electrical energy cost Rs. 3.25.

An electric iron is rated 220 V, 2 kW. If the iron is used for 2 h daily find the cost of running it for one week if it costs Rs. 4.25 per kWh.

An electric iron is rated 220 V, 2 kW. If the iron is used for 3h daily find the cost of running it for one week if it costs ₹ 4.25 per kWh.

An electric iron is rated at 220 V, 2 kW. If the iron is used for 2 h daily, find the cost of running it for one week if it costs 34.25 per kWh.

An electrical appliance is rated 1500 W, 250 V. This appliance is connected to mains of voltage 250 V for 60 hour. Calculate : the cost of electrical energy consumed at a rate of 4.50 per kWh.

Write commercial and SI units of energy. Calculate the cost of electric energy consumed by an electric heater rated with 50 W used for 2 hours daily in the month of April. The cost of one unit of electric energy is Rs. 5.

(a) In a series L-C-R circuit with an AC source, R = 300 Omega , C = 20 muF, L= 1.0 H, V_(0) = 50sqrt2V and f = 50/pi Hz . Find (i) the rms current in the circuit and (ii) the rms voltage across each element. (b) Consider the situatiuon of the previous part. find the average electric field energy stored in the capacitor and the average magnetic field energy stored iun the coil .

An electric heater rated 2.2 kW, 220 V is operated for 2 h. Calculate : the cost of electricity consumed at a rate of 5.20 per unit.

An electric bulb draws 1.2 A current at 6V. Find the resistance of the filament of the bulb while glowing

Current 2 A is flowing through a conductor fo resistance 4 Omega . Find the electrical energy consumedin 10 s.

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

    |