Home
Class 10
PHYSICS
If the potential difference between the ...

If the potential difference between the ends of a fixed resistor is halved, the electric power will become:

A

double

B

half

C

four times

D

one-fourth

Text Solution

Verified by Experts

The correct Answer is:
D
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 the potential difference between the end of a wire of mixed resistance is doubled, by how much does the electric power increase?

If the current flowing through a fixed resistor is halved, the heat produced in it will become:

If the potential difference across the ends of a conductor is doubled, the energy loss becomes-

Potential difference between the points P and Q in the electric circuit shown is

What is the difference between a resistor and resistance ?

Zeta potential is the potential difference between

The plates of a capacitor are charged to a potential difference of 320 volt and are then connected across a resistor. The potential difference across the capacitor decays exponentially with time. After 1 sec the potential difference between the plates of the capacitor is 240 volts. what is the potential difference between the plates after 2 s?

LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. How many joules of electrical energy are transferred per second by a 6...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. State whether an electric heater will consume more electrical energy o...

    Text Solution

    |

  5. The table below shows the current in three different electrical applia...

    Text Solution

    |

  6. A boy noted the readings on his home's electricity meter on Sunday at ...

    Text Solution

    |

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

    Text Solution

    |

  8. Two exactly similar electric lamps are arranged (i) in parallel, and (...

    Text Solution

    |

  9. How does the heat H produced by a current passing through a fixed resi...

    Text Solution

    |

  10. The current passing through an electric kettle has been doubled. The h...

    Text Solution

    |

  11. Name two effect produced by electric current.

    Text Solution

    |

  12. Which effect of current is utilised in an electric light bulb?

    Text Solution

    |

  13. Which effect of electric current is used in the working of an electric...

    Text Solution

    |

  14. Name two effect produced by electric current.

    Text Solution

    |

  15. Explain why, filament type electric bulbs are not power efficient.

    Text Solution

    |

  16. Why does the cord of an electric heater not glow while the heating ele...

    Text Solution

    |

  17. (a) Write down the formula for the heat produced when a current I is p...

    Text Solution

    |

  18. Why is an electric light bulb not filled with air? Explain why argon o...

    Text Solution

    |

  19. Explain why, tungsten is used for making the filaments of electric bul...

    Text Solution

    |

  20. Explain why, the current that makes the heater element very hot, only ...

    Text Solution

    |