Home
Class 10
PHYSICS
An electric bulb is connected to a 220 V...

An electric bulb is connected to a 220 V generator. The current is 0.50 A. What is the power of the bulb?

Text Solution

Verified by Experts

`P=VI `
`=220 V xx 0.50 A`
`=110 J//s`
` =100 W.`
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    NCERT TELUGU|Exercise QUESTION|23 Videos

  • ELECTRICITY

    NCERT TELUGU|Exercise EXERCISES|18 Videos

  • ELECTRIC CURRENT

    NCERT TELUGU|Exercise EXAMPLE|11 Videos

  • ELECTROMAGNETISM

    NCERT TELUGU|Exercise Example|2 Videos

Similar Questions

Explore conceptually related problems

A 100 Omega resistor is connected to a 220 V. 50 Hz ac supply. What is the net power consumed over a full cycle ?

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

A 100 Omega resistor is connected to a 220 V. 50 Hz ac supply. What is the rms value of current in the circuit ?

A lot of 20 bulbs contain 4 defective ones. One bulb is selected at random from the lot. What is the probability that this bulb is defective? Suppose the bulb selected in previous case is not defective and is not replaced. Now one bulb is selected at random from the rest. What is the probability that this bulb is not defective?

A light bulb is rated at 100W for a 220 V supply. Find The rms current through the bulb.

NCERT TELUGU-ELECTRICITY-EXERCISES
  1. An electric bulb is connected to a 220 V generator. The current is 0.5...

    Text Solution

    |

  2. A piece of wire of resistance R is cut into five equal parts. These pa...

    Text Solution

    |

  3. Which of the following terms does not represent electrical power in a ...

    Text Solution

    |

  4. An electric bulb is rated 220 V and 100 W. When it is operated on 110 ...

    Text Solution

    |

  5. Two conducting wires of the same material and of equal lengths and equ...

    Text Solution

    |

  6. How is a voltmeter connected in the circuit to measure the potential d...

    Text Solution

    |

  7. A copper wire has diameter 0.5 mm and resistivity of 1.6 xx 10^(–8) O...

    Text Solution

    |

  8. The values of current I flowing in a given resistor for the correspond...

    Text Solution

    |

  9. When a 12 V battery is connected across an unknown resistor, there is ...

    Text Solution

    |

  10. A battery of 9 V is connected in series with resistors of 0.2 Omega, 0...

    Text Solution

    |

  11. How many 176 Omega resistors (in parallel) are required to carry 5 A o...

    Text Solution

    |

  12. Show how you would connect three resistors, each of resistance 6 Omega...

    Text Solution

    |

  13. Several electric bulbs designed to be used on a 220 V electric supply ...

    Text Solution

    |

  14. A hot plate of an electric oven connected to a 220 V line has two resi...

    Text Solution

    |

  15. Compare the power used in the 2 Omega resistor in each of the followi...

    Text Solution

    |

  16. Two lamps, one rated 100 W at 220 V, and the other 60 W at 220 V, are ...

    Text Solution

    |

  17. Which uses more energy, a 250 W TV set in 1 hr, or a 1200 W toaster in...

    Text Solution

    |

  18. An electric heater of resistance 8 Omega draws 15 A from the service ...

    Text Solution

    |

  19. Explain the following. (a) Why is the tungsten used almost exclusivel...

    Text Solution

    |