Home
Class 10
PHYSICS
A lamp rated 100 W at 220 V is connected...

A lamp rated 100 W at 220 V is connected to the mains electric supply. What current is drawn from the supply line if the voltage is 220V.

Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    MODERN PUBLICATION|Exercise EXERCISE|265 Videos

Similar Questions

Explore conceptually related problems

Two lamps, one rated 100 W at 220 V and other 60 W at 220 V, are connected in parallel to electric main supply. What current is drawn from the line if the supply voltage is 220 V?

Two lamps, one rated 100 W at 220 V, and the other 20W at 220V, are connected in parallel to electric mains supply. What current is drawn from the line if the supply voltage is 220V?

Two lamps, one rated 60 W at 220V and the other 40 W at 220 V are connected in parallel to the electric supply at 220V. Calculate the current drawn from the electric supply.

Two lamps A rated 100 watt 220 V and B rated 60 watt 220 V are connected in series to electric main supply of 220 V. the ratio of heat produced in lamp A to the lamp B would be

Two lamps, one rated 60 W at 220V and the other 40 W at 220 V are connected in parallel to the electric supply at 220V. Calculate the total energy consumed by the two lamps together when they operate for one hour.

A 100 W-200 V bulb is connected to a 160 V supply. The actual power consumption would be

MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. State four different ways in which three resistors of 'r' ohm each may...

    Text Solution

    |

  2. State four different ways in which three resistors of 'r' ohm each may...

    Text Solution

    |

  3. A lamp rated 100 W at 220 V is connected to the mains electric supply....

    Text Solution

    |

  4. Calculate the electric energy consumed by a 1200 W toaster in 20 minut...

    Text Solution

    |

  5. Write the formula for the amount of the heat produced in a resistor wh...

    Text Solution

    |

  6. Define power. Give its S.I unit and define it.

    Text Solution

    |

  7. A current of 5A flows through 12 ohm resistor. What is the rate at whi...

    Text Solution

    |

  8. Name the two type of electric charge.

    Text Solution

    |

  9. What is SI unit of electric potential?

    Text Solution

    |

  10. What is the name given to flow of electric charge per unit time in a w...

    Text Solution

    |

  11. Name a device used to measure potential difference between two points ...

    Text Solution

    |

  12. How is a voltmeter connected in the circuit to measure potential diffe...

    Text Solution

    |

  13. Which instrument is used to measure current in the circuit ? how is it...

    Text Solution

    |

  14. How is ammeter always connected in circuits?

    Text Solution

    |

  15. If potential difference across resistor is increased, will the current...

    Text Solution

    |

  16. When temperature of metal increases, does the resistance increases or ...

    Text Solution

    |

  17. Which physical quantity has its unit kWh?

    Text Solution

    |

  18. In a metal wire, electron moves from negative end to positive end and,...

    Text Solution

    |

  19. For a continuous flow of current through a wire, the potential differe...

    Text Solution

    |

  20. Electrochemical cell is a device which maintains a constant potential ...

    Text Solution

    |