Home
Class 10
PHYSICS
An electric tungsten bulb is connected i...

An electric tungsten bulb is connected into a home circuit. The home electric supply runs at 220 V potential difference. When switched on, a current of 0.45 A flows through the bulb What must be power (wattage)of the bulb? if it is kept on for 10 hours, how many units of electricity will be consumed?

Promotional Banner

Topper's Solved these Questions

  • EFFECTS OF ELECTRIC CURRENT

    CHETANA PUBLICATION|Exercise EXAMPLE|135 Videos

  • DISASTER MANAGEMENT

    CHETANA PUBLICATION|Exercise EXERCISE|117 Videos

  • GRAVITATION

    CHETANA PUBLICATION|Exercise EXAMPLE|79 Videos

Similar Questions

Explore conceptually related problems

Choose the correct alternative and write it along with its allotted alphabet: If 220 V potential difference is applied across an electric bulb, a current of 0.45 A flows in the bulb. What must be the power of the bulb ?.

An electric bulb is connected to 250 volts. If the current of 0.5 A passes through it, what is the power of the bulb?

If 90 W bulb is connected to a circuit with potential difference of 360 V,find the current flowing through the bulb?

A 25 W electric bulb is used for 10 hours every day. How much electricity doesit consume each day?

The potential difference of 260 V is applied at the domestic circuit. An LED is connected to the circuit. An electric current of 0.35 A flows through the LED. Then (i) Power of LED (ii) Units consumed if the bulb is operating for 10 hr.

Two tungsten bulbs of wattage 100 W and 60 W power work on 220 V potential difference. If they are connected is parallal,how much current will flow in the main conductor?

Resistance of a bulb is 500 Omega . It is connected to a battery of potential difference 220 V. How much current will flow through it?

If the bulb of 60 W is connected across a source of 220 V.find the electric current drawn by it .

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

When the voltage applied across a bulb is 220 v the current passing through the bulb is 0.1 A . Find the power of the bulb.

CHETANA PUBLICATION-EFFECTS OF ELECTRIC CURRENT-EXAMPLE
  1. Answer the following based on the diagram given below. State any 2 f...

    Text Solution

    |

  2. Draw a neat and labelled diagram: Circuit for Direct Current

    Text Solution

    |

  3. Draw a neat and labelled diagram: Circuit for Alternating Current

    Text Solution

    |

  4. Draw a neat and labelled diagram: DC generator

    Text Solution

    |

  5. Draw a neat and labelled diagram: Magnetic lines of force through a...

    Text Solution

    |

  6. Define AC Generator.

    Text Solution

    |

  7. Write the definitions/laws: DC generator:

    Text Solution

    |

  8. What do you observe in the following Pictures?:

    Text Solution

    |

  9. The device which converts mechanical energy into electrical energy is ...

    Text Solution

    |

  10. The deflection of th pointer of is on either side of zero mark A. Volt...

    Text Solution

    |

  11. The device which converts mechanical energy into electrical energy is ...

    Text Solution

    |

  12. State whether the following statements are true or false : The filamen...

    Text Solution

    |

  13. Find the odd word out Loudspeaker,Microphone,Electric motor,Magnet

    Text Solution

    |

  14. A cell is connected to a 9 ohm resistance, beacause of which heat of ...

    Text Solution

    |

  15. Distinguish between : Direct current and Alternating current.

    Text Solution

    |

  16. Write the definitions/laws: Maxwell's cork screw rule:

    Text Solution

    |

  17. Name the following diagrams and explain the concept behind them

    Text Solution

    |

  18. An electric iron a power of 1100 W when set to higher temperature .If ...

    Text Solution

    |

  19. An electric tungsten bulb is connected into a home circuit. The home e...

    Text Solution

    |

  20. Derive joules Law with the help of a neat circuit diagram.

    Text Solution

    |