Home
Class 12
PHYSICS
An electric heater rated 220 V and 550 V...

An electric heater rated 220 V and 550 V is connected to AC mains. The current drawn by it is

A

0.8 A

B

2.5 A

C

0.4 A

D

1.25 A

Text Solution

Verified by Experts

The correct Answer is:
B

`P=VI`
`I=550/220=2.5A`
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2008

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos
  • KARNATAKA CET 2010

    KCET PREVIOUS YEAR PAPERS|Exercise Physics|60 Videos

Similar Questions

Explore conceptually related problems

An electric heater rated 220 V and 550 W is connected to AC mains. The current drawns by it is

An electric geyser rated 1500W, 250 V is connected to a 250v line mains. Calculate the electric current drawn by it, energy consumed by it in 50 hours and energy consumed if each unit coast Rs. 6.00.

How much current will an electric bulb draw from 220 V source if the resistance of the bulb is 1200 Omega ? lf in place of a bulb, a heater of resistance 100 Omega is connected to the sources calculate the current drawn by it .

An electric bulb rated 220V, 100W is connected to a source of 220 (0.8)V then actual power will be

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2009-PHYSICS
  1. The number of significant figures in the numbers 4.8000xx10^(4) and 48...

    Text Solution

    |

  2. beta decay means emission of electron from

    Text Solution

    |

  3. An electric heater rated 220 V and 550 V is connected to AC mains. The...

    Text Solution

    |

  4. A body of mass m moving along a straight line covers half the distance...

    Text Solution

    |

  5. The moment of inertia of a circular ring of radius r and mass M about ...

    Text Solution

    |

  6. A body of mas 0.05 kg is observed to fall with an acceleration of 9.5 ...

    Text Solution

    |

  7. The colloidal solution in which both the dispersed phase and dipersion...

    Text Solution

    |

  8. In fog, photographs of the objects taken with infrared radiations are ...

    Text Solution

    |

  9. Three concurrent co-planat forces 1N,2N and 3N acting along different ...

    Text Solution

    |

  10. Sound waves transfer

    Text Solution

    |

  11. Two rectangular blocks A and B of masses 2 kg and 3 gk respectively ar...

    Text Solution

    |

  12. G.P Thomson experimentally confirmed the existence of matter waves by ...

    Text Solution

    |

  13. The resistance of a wire at 300 K is found to be 0.3Omega. If the temp...

    Text Solution

    |

  14. The work done by a force acting on a body is a shwon in the graph. The...

    Text Solution

    |

  15. Two luminous point sources seperated by a certain distance are at 10 k...

    Text Solution

    |

  16. A door 1.6 m wide requires a force of 1 N to be applied at the free an...

    Text Solution

    |

  17. 0.1 m^(3) of water at 80^(@)C is mixed with 0.3m^(3) of water at 60^(...

    Text Solution

    |

  18. Which of the following series in the spectrum of the hydrogen atom lie...

    Text Solution

    |

  19. A graph of pressure versus volume for an ideal gas for different proce...

    Text Solution

    |

  20. Which of the following statement is not true ?

    Text Solution

    |