Home
Class 11
PHYSICS
Two bulbs consume same energy when opera...

Two bulbs consume same energy when operated at `200 V and 300 V` , respectively . When these bulbs are connected in series across a dc source of `500 V`, then

A

ratio of potential difference across them is `3//2`

B

ratio of potential difference across them is `4//9`

C

ratio of power consumed across them is `4//9`

D

ratio of power consumed across them is `2//3`

Text Solution

Verified by Experts

The correct Answer is:
B, C
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    DC PANDEY|Exercise Only One Option is Correct|27 Videos
  • ELASTICITY

    DC PANDEY|Exercise Medical entrances s gallery|21 Videos

Similar Questions

Explore conceptually related problems

Two bulbs consume the same power when operated at 200 V and 300 V respectively. When these bulbs are connected in series across a DC source of 400 V, then the ratio of power consumed across them is

Two bulbs consume same power when operated at "200V and "300V" respectively.When the bulbs are connected in series across a D.C source of "500V" then

Two bulbs are marked 200 V, 300 W and 200 V, 600 W , respectively. The bulbs are connected in series and the combination is connected to a 200 V supply . (a) Which bulb will produce more illumination ? (b) Find the total power consumed by both the bulbs. (c ) Find the total power consumed if both the bulbs were connected in parallel.

Two bulbs are rated as 220 V-100W and 220 V-60 W. How much power will be consumed when both of them are connected in series across the supply of 220 V ?

Two bulbs of rated power 60W and 100W same specified voltage 220 V are connected in series to a 440 V DC source

An electric bulb and electric heater are rated 100 W,220 V and 500 W, 220 V respectively. Both are connected in series to a 220V d.c. mains. Calculate the power consumed by (i) electric bulb and (ii) heater

Two bulbs when connected in parallel to a source take 60 W each, the power consumed, when they are connected in series with the same source is

DC PANDEY-CURRENT ELECTRICITY-All Questions
  1. A battery of emf E and internal resistance r is connected across a res...

    Text Solution

    |

  2. In the circuit shown in figure

    Text Solution

    |

  3. Two bulbs consume same energy when operated at 200 V and 300 V , respe...

    Text Solution

    |

  4. Potential difference across the terminal of a non ideal battery is

    Text Solution

    |

  5. The resistance of an ideal ammeter is

    Text Solution

    |

  6. In the circuit shown in figure resistance of each wire is r. Net resis...

    Text Solution

    |

  7. In the circuit shown in figure, power generated in

    Text Solution

    |

  8. In the circuit shown in figure

    Text Solution

    |

  9. Figure shows part of a circuit. Which points have the same potential a...

    Text Solution

    |

  10. In a potentiometer wire experiment the emf of a battery in the primary...

    Text Solution

    |

  11. In the network shown in fig. , points A, B, and C are at potentials of...

    Text Solution

    |

  12. The value of the resistance R in figure is adjusted such that power di...

    Text Solution

    |

  13. In the circuit shown E, F, G and H are cells of emf 2V, 1V, 3V and 1V ...

    Text Solution

    |

  14. A 20 m long potentiometer wire has a resistance of 20 Ohm. It is conne...

    Text Solution

    |

  15. In the circuit shown, both cells are ideal and of fixed emf, the resis...

    Text Solution

    |

  16. Two identical voltmeters and two identical ammeter are connected to a ...

    Text Solution

    |

  17. In the circuit shown, total power supplied by an ideal battery is 80 W...

    Text Solution

    |

  18. In the circuit shown, total power supplied by an ideal battery is 80 W...

    Text Solution

    |

  19. In the circuit shown, total power supplied by an ideal battery is 80 W...

    Text Solution

    |

  20. In the circuit shown in figure Current through R(2) is zero if R...

    Text Solution

    |