Home
Class 12
PHYSICS
Some electric bulbs are connected in ser...

Some electric bulbs are connected in series across a 220 V supply in a room. If one bulb is fused then remaining bulbs are connected again in series across the same supply. The illumination in the room will

A

increase

B

decrease

C

remain the same

D

not continuous

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Taking it together|142 Videos

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise B. Assertion and reason|18 Videos

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Example|61 Videos

  • COMMUNICATION SYSTEM

    DC PANDEY|Exercise Subjective|11 Videos

  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Medical entrances gallery|25 Videos

Similar Questions

Explore conceptually related problems

40 electric bulb are connected in series across a 220 V supply. After one bulb is fused the remaining 39 are connected again in series across the same supply. The illumination will be

Twenty one electric bulbs are connected in series with the mains of a 220V supply. After one bulb is fused, the remaining 20bulbs are again connected in series across the same mains. By what percentage will the illuminaton of (i) a bulb change and (ii) all the bulbs change?

There is a frill of 20 bulbe (connected in series ) in a room. One bulb is fused. The remaining 19 bulbs are again joined in series and connected to the same supply. Will the light increase or decrease in the room ?

Ten 60 W, 220 V bulbs are connected in series to 220 V supply . Power consumed in the circuit is

Ten 60W,220V bulbs are connected in series to 220V supply.Power consumed in the circuit is

An electric bulb marked 25 W and 100 V is connected across 50 V supply . Now its power is .

If two bulbs of 25 W and 100 W rated at 200 volts are connected in series across a 440 volts supply, then

DC PANDEY-CURRENT ELECTRICITY-Check point
  1. Two bulbs are working in parallel order. Bulb A is brighter than bulb ...

    Text Solution

    |

  2. Electric bulb 50 W - 100 V glowing at full power are to be used in par...

    Text Solution

    |

  3. Some electric bulbs are connected in series across a 220 V supply in a...

    Text Solution

    |

  4. In the circuit shown, A and V are ideal ammeter and voltmeter respecti...

    Text Solution

    |

  5. The net resistance of a volmeter should be large to ensure that

    Text Solution

    |

  6. Two galvanometers A and B require 3 mA and 6 mA respectively, to produ...

    Text Solution

    |

  7. An ammeter A, a voltmeter V and a resistance R are connected as shown ...

    Text Solution

    |

  8. In the adjoining circuit, the e.m.f. of the cell is 2 volt and the int...

    Text Solution

    |

  9. What is the reading of voltmeter in the following figure ?

    Text Solution

    |

  10. A galvanometer of resistance 25 Omega gives full scale deflection for ...

    Text Solution

    |

  11. An ammeter and a voltmeter are joined in sereis to a cell. Their readi...

    Text Solution

    |

  12. In the circuit shown in the figure, the voltmeter reading is

    Text Solution

    |

  13. The shunt required for 10% of main current to be sent through the movi...

    Text Solution

    |

  14. The potential difference across the 100 Omega resistance in the follow...

    Text Solution

    |

  15. A microammeter has as resistance of 100 Omega and full scale range of ...

    Text Solution

    |

  16. Show that the percentage error in the measurement of resistance by a m...

    Text Solution

    |

  17. A resistance of 1980Omega is connected in series with a voltmeter, aft...

    Text Solution

    |

  18. In the given circuit, it is observed that the current I is independent...

    Text Solution

    |

  19. AB is a wire of uniform resistance. The galvanometer G shows no deflec...

    Text Solution

    |

  20. A potentiometer is used for the compaisem of e.m.f. of two cells E(1) ...

    Text Solution

    |