Home
Class 12
PHYSICS
A generator is supplying power to a fact...

A generator is supplying power to a factory by cables of resistance `20Omega`. If the generator is generating 50kW power at 5000V. What is the power received by the factory?

Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC FORCES, CHARGES AND FIELDS

    SL ARORA|Exercise Problems For Self Practice|1 Videos
  • MAGNETIC EFFECTS OF CURRENT

    SL ARORA|Exercise TYPE C|4 Videos

Similar Questions

Explore conceptually related problems

A generator is supplying power to a factory by cables of resistance 20 Omega . If the generator is generating 50 kW power as 5000 V , what is the power received by factory ?

A battery is supplying power to a tape recorder by cable of resistance of 0.02 Omega . If the battery is generating 50 W power at 5 V, then the power received by the tape recorder is

A cable of resistance 10 Omega carries electric power from a generator producing 250 kW at 10,000 V . The current in the cable is

An AC generator of 220 V having internal resistance r=10 Omega and external resistance R=100 Omega . What is the power developed in the external circuit?

SL ARORA-HEATING EFFECT OF CURRENT-All Questions
  1. Which of the two has greater resistance : a 1kW heater or a 100W tungs...

    Text Solution

    |

  2. An electric power station (100MW) transmits power to a distant load th...

    Text Solution

    |

  3. A generator is supplying power to a factory by cables of resistance 20...

    Text Solution

    |

  4. Two ribbons are gien with the following particulars: For a fixed ...

    Text Solution

    |

  5. An electric heating element to dissipate 480 watts on 240V mains is to...

    Text Solution

    |

  6. 100 W,220V V bulb is connected to 110V source. Calculate the power con...

    Text Solution

    |

  7. A heater coil is rated 100W,200V. It is cut into two identical parts. ...

    Text Solution

    |

  8. An electric bulb is marked 100W, 230V. If the supply voltage drops to ...

    Text Solution

    |

  9. Determine the percentage by which the illumination of a lamp will decr...

    Text Solution

    |

  10. An electric bulb rated for 500W at 100V is used in circuit having 200V...

    Text Solution

    |

  11. The maximum power rating of a 20Omega resistor is 2.0kW. (that is this...

    Text Solution

    |

  12. A 25W and 100W bulbs are joined in series and connected to the mains. ...

    Text Solution

    |

  13. An electric heater and an electric bulb are rated 500W. 220V and 100W,...

    Text Solution

    |

  14. Two heatere are marked 200V, 300W and 200V, 600W. If the heaters are c...

    Text Solution

    |

  15. Three identical resistors, each of resistance R, when connected in ser...

    Text Solution

    |

  16. In the circuit shown in Fig.6.1, each of the three resistors of 4Omega...

    Text Solution

    |

  17. Find the heat produced per minute in each of the resistors shown in fi...

    Text Solution

    |

  18. A 2H.P. electric motor working on 220V mains runs for 6hours a day. If...

    Text Solution

    |

  19. A house is fitted with 20lamps of 60W each, 10fans consuming 0.5A each...

    Text Solution

    |

  20. There are two electric bulbs rated 60W. 110V and 100W, 110V. They are ...

    Text Solution

    |