Home
Class 12
PHYSICS
Two electic bulbs marked 25 W -220 V and...

Two electic bulbs marked `25 W -220 V` and `100 W - 220 V` are connected in series to a 440 V supply. Which of the bulbs will fuse?

A

both

B

100 W

C

25 W

D

Neither

Text Solution

Verified by Experts

The correct Answer is:
C

`P=Vi`
`R=(V^(2))/(P)`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 3|46 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise NCERT Based Questions|13 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 2 C.W|59 Videos
  • COMMUNICATION SYSTEM

    NARAYNA|Exercise Level-II(H.W)|25 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise ASSERTION AND REASON|15 Videos

Similar Questions

Explore conceptually related problems

Two electric bulbs marked 25W-220V and 100W-220V are connected in series to a 440 V supply. Which of the bulbs will fuse ?

If two bulbs of 25 W and 100 W rated at 220 V are connected in series across a 440 V supply, will both the bulbs fuse ? If not which one ?

Two electric bulbs rated 25 W , 220 V and 100 W , 220 V are connected in series across a 220 V voltage source . The 25 W and 100 W bulbs now draw P_(1) and P_(2) powers , respectively.

A 25 W , 220 V bulb and a 100 W , 220 V bulb are connected in parallel across a 440 V line

There are two electric bulbs rated 60W. 110V and 100W, 110V. They are connected in series with a 220V d.c. supply. Will any bylb fuse? What will happen if they are connected in parallel with the same supply?

There are two electric bulbs rated 60W. 110V and 100W, 110V. They are connected in series with a 220V d.c. supply. Will any bylb fuse? What will happen if they are connected in parallel with the same supply?

Two bulbs are rated 30 W - 200 V and 60 W - 200 V . They are connected with a 400 V power supply. Find which bulb will get fused if they are connected in (i) series and (ii) parallel.

NARAYNA-CURRENT ELECTRICITY-Level 2 H.W
  1. A conductor of resistance 3 ohm is stretched uniformly till its length...

    Text Solution

    |

  2. Ten 50W bulbs are operated for 10 hours per day. The energy consumed i...

    Text Solution

    |

  3. Two electic bulbs marked 25 W -220 V and 100 W - 220 V are connected i...

    Text Solution

    |

  4. Two batteries of different emf and internal resistances connected in s...

    Text Solution

    |

  5. The pd across terminals of a cell is found to be 29 volt and 28 volt r...

    Text Solution

    |

  6. The current in a circuit containing a battery connected to 2Omega resi...

    Text Solution

    |

  7. The potential difference across te terminals of a battery is 10 V when...

    Text Solution

    |

  8. Two cells of emf 3V and 5V and internal resistance r(1) and r(2) respe...

    Text Solution

    |

  9. A battery when connected by resistance of 16Omega gives a terminal vo...

    Text Solution

    |

  10. When a resistor of 11 Omega is connected in series with an electric ce...

    Text Solution

    |

  11. Two cells of emf 4 V and 8 V are connected to two resistor 4Omega and ...

    Text Solution

    |

  12. If in the circuit shown below, the internal resistance of the battery ...

    Text Solution

    |

  13. Voltmeter reading in the given circuit is (voltmeter is ideal)

    Text Solution

    |

  14. For a cell the graph between the p.d. (v) across the terminals of the ...

    Text Solution

    |

  15. The minimum number of cells in mixed grouping required to produced a m...

    Text Solution

    |

  16. A battery of emf E and internal resistance r is connected to a resisto...

    Text Solution

    |

  17. The emf of a cell E is 15 V as shown in the figure with an internal re...

    Text Solution

    |

  18. The current I drawn from the 5 volt source will be

    Text Solution

    |

  19. In the given circuit which is a part of closed circuit the current i(1...

    Text Solution

    |

  20. A 5V battery with internal resistance 2Omega and a 2V battery with int...

    Text Solution

    |