Home
Class 10
PHYSICS
Compare the power used in the 2 Omega re...

Compare the power used in the `2 Omega` resistor in each of the following circuits :
(i) a `6V` battery in series with `1 Omega and 2 Omega` resistors, and
(ii) a `4 V` battery in parallel with `12 Omega and 2 Omega` resistors.

Text Solution

Verified by Experts

The correct Answer is:
(i) 8W (ii) 8W
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Very Short Answer Type Questions|1 Videos
  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Short Answer Type Questions|2 Videos
  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Sample Problem|1 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT BOOK|2 Videos

Similar Questions

Explore conceptually related problems

If power dissipated in the 9 Omega resistor in the resistor shown is 36 W , the potential difference across the 2 Omega resistor is

The power dissipated in 3Omega resistor in the circuits as shown in the figure is 2W. The power dissipated in 7Omega resistor will be

Two resistors of resistances 2 Omega and 4 Omega when connected to a battery will have :

6Omega and 12Omega resistors are connected in parallel. This combination is connected in series with 10 V battery and 6 Omega resistor. What is the potential differnce between the terminals of the 12Omega resistor ?

In the following circuit, the current drawn from the battery is 2A. If the 5 Omega resistance is replaced by a 20 Omega resistor, then the current drawn from the battery will be

LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. An electric motor takes 5 amperes current from a 220 volt supply line....

    Text Solution

    |

  2. Which uses more energy: a 250 WTV set in 1 hour or a 1200 W toaster in...

    Text Solution

    |

  3. Compare the power used in the 2 Omega resistor in each of the followin...

    Text Solution

    |

  4. Two lamps, one rated 40W at 220V and the other 60W at 220 V, are conne...

    Text Solution

    |

  5. An electric kettle connected to the 230V mains supply draws a current ...

    Text Solution

    |

  6. A 2 kW heater, a 200 WTV and three 100W lamps are all switched on from...

    Text Solution

    |

  7. What is the maximum power in kilowatts of the appliance that can be co...

    Text Solution

    |

  8. An electric fan runs from the 230V mains. The current flowing through ...

    Text Solution

    |

  9. (a) What is meant by "electric power"? Write the formula for electric ...

    Text Solution

    |

  10. When an electric lamp is connected to 12V battery, it draws a current ...

    Text Solution

    |

  11. The unit for expressing electric power is:

    Text Solution

    |

  12. Which of the following is likely to be the correct wattage for an elec...

    Text Solution

    |

  13. An electric heater is rated at 2 kW. Electrical energy costs Rs 4 per ...

    Text Solution

    |

  14. Unit of energy is SI system is

    Text Solution

    |

  15. Commercial Unit Of Energy

    Text Solution

    |

  16. How much energy does a 100W electric bulb transfer in 1 minute?

    Text Solution

    |

  17. An electric kettle for use on a 230V supply is rated at 300 W. for saf...

    Text Solution

    |

  18. How many joules of electrical energy are transferred per second by a 6...

    Text Solution

    |

  19. At a given time, a house is supplied with 100A at 220V. How many 75W, ...

    Text Solution

    |

  20. If the potential difference between the ends of a fixed resistor is ha...

    Text Solution

    |