Home
Class 10
PHYSICS
Two electric bulbs have resistances in t...

Two electric bulbs have resistances in the ratio 1 : 2. If they are joined in series, the energy consumed in them are in the ratio

A

`1 : 2`

B

`2:1`

C

`4:1`

D

`1:1`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (LONG ANSWER QUESTIONS)|30 Videos

  • LIGHT - REFLECTION AND REFRACTION

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (LONG ANSWER [LA] QUESTIONS)|30 Videos

Similar Questions

Explore conceptually related problems

Two cubes have their volume in the ratio 1:27. what is the ratio of their surface areas ?

Two conductors of the same material have their diameters in the ratio 1 : 2 and their lengths in the ratio 2:1. If the temperature difference between their ends is the same, then the ratio of amounts of heat conducted per second through them will be

Two conductor of the same material have their diameter in the ratio 1 : 2 and their lengths in the ratio 2 : 1 . If the temperature difference between their ends is the same, then the ratio of amounts of best conducted per second through them will be

Two cones have their heights in the ratio 1:3 and the radii of their bases in the ratio 3:1. Find the ratio of their volumes.

What is the ratio of the nuclear densities of two nuclei having mass numbers in the ratio 1:3 ?

Two nuclei have mass numbers in the ratio 8 : 125. Calculate the ratio of their nuclear radii.

The sides of two triangles are in the ratio 2 : 3 . Then their areas are in the ratio :

ZEN PUBLICATION-ELECTRICITY-ZEN ADDITIONAL QUESTIONS SECTION (MULTIPLE CHOICE QUESTIONS)
  1. Three equal resistances when combined in series are equivalent to 90Ω....

    Text Solution

    |

  2. For which of the following substances, resistance decreases with incre...

    Text Solution

    |

  3. Two electric bulbs have resistances in the ratio 1 : 2. If they are jo...

    Text Solution

    |

  4. Among the following statements. 1. A discharge lamp uses a discharge...

    Text Solution

    |

  5. Among identical spheres A and B having charges as – 5 and - 16 C

    Text Solution

    |

  6. Keeping the potential difference constant, the resistance of a circuit...

    Text Solution

    |

  7. The resistance of a conductor is 27Omega. If it is cut into three equa...

    Text Solution

    |

  8. A piece of metallic wire of resistance R is cut into 3 equal parts. Th...

    Text Solution

    |

  9. An electric kettle for use on a 230 V supply is rated at 3000 W. For s...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. The heat produced in a wire of resistance 'X' when a current 'Y' flows...

    Text Solution

    |

  13. If the current flowing through a fixed resistor is halved, the heat pr...

    Text Solution

    |

  14. A cell, a resistor, a key and ammeter are arranged as shown in the cir...

    Text Solution

    |

  15. Electrical resistivity of a given metallic wire depends upon

    Text Solution

    |

  16. What is the maximum resistance which can be made using five resistors ...

    Text Solution

    |

  17. What is the minimum resistance which can be made using five resistors ...

    Text Solution

    |

  18. Which of the following represents voltage?

    Text Solution

    |

  19. Unit of electric power may also be expressed as

    Text Solution

    |

  20. Which of the following statements does not represent Ohm's law?

    Text Solution

    |