Home
Class 12
PHYSICS
Two bulbs B1 and B2 with ratings (10W, 2...

Two bulbs B_1 and B_2 with ratings (10W, 220V) and (20 W, 220V) respectively are connected in parallel across a 440V input supply. Then

A

Both bulbs will fuse

B

Only bulb B_1 will fuse

C

Only bulb `B_2` will fuse

D

No bulb will fuse

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|21 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|63 Videos
  • TEST 2

    AAKASH INSTITUTE ENGLISH|Exercise Exercise|308 Videos

Similar Questions

Explore conceptually related problems

Two bulbs A and B are rated 100 W, 120 V and 10 W, 120 V respectively. They are connected in parallel across a 120 V source. Find the current in each bulb.

Two bulbs 100 W, 250 V and 200 W, 250 V are connected in parallel across a 500 V line. Then-

Two bulbs A and B are rated 100 W, 120 V and 10 W, 120 V respectively. They are connected across a 120 V source in series. Calculate the current through each bulb.

Two bulbs A and B are rated 100 W, 120 V and 10 W, 120 V respectively. They are connected across a 120 V source in series. Which bulb will consume more power ?

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

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

Two electric bulbs , rated at (25W,220V) and (100W,220V), are connected in series across a 220 V voltage source , if the 25W and 100W bulbs draw powers P_(1) and P_(2) Respectively , then :

Two lamps, one rated 100 W at 220 V , and the other 60 W at 220 V , are connected in parallel to the electric mains supply. What current is drawn from the line if the supply voltage is 220 V ?

(a) Define Electric power. An electrial device of resistance R is connected across a source of voltage V and draws a current I. Derive an expression for power in terms of current and resistance. (b) Tow electric bulbs rated 100W , 220V and 60W, 220V are connected in parallel to an electric mains of 220V . Find the current draw by the bulbs form the mains.

Two bulbs are rated 60 W, 220 V' and '60 W, 110 V respectively. Calculate the ratio of their resistances.

AAKASH INSTITUTE ENGLISH-TEST 1-EXERCISE
  1. Two bulbs B1 and B2 with ratings (10W, 220V) and (20 W, 220V) respecti...

    Text Solution

    |

  2. If a diaelectric material of dielectric constantepsilonr is completely...

    Text Solution

    |

  3. Two identical electric dipoles of dipole moments p are placed as shown...

    Text Solution

    |

  4. Four point charges each of magnitude Q and mass m are moving on circul...

    Text Solution

    |

  5. Positive charge is uniformly distrubuted with volume charge density rh...

    Text Solution

    |

  6. A wire AMB is placed along y-axis having linear charge density lambda ...

    Text Solution

    |

  7. Two identical point charges are placed at A and B. The potential diffe...

    Text Solution

    |

  8. The magnitude electric potential difference between A and B for a give...

    Text Solution

    |

  9. The uniform electric field is along positive y-axis positive x axis ...

    Text Solution

    |

  10. A short electric dipole having dipole moment overline rho is placed a...

    Text Solution

    |

  11. There are three conducting concentric spherical shells having charges ...

    Text Solution

    |

  12. there are two concentric metallic shells of radii R and 2R, if outer ...

    Text Solution

    |

  13. An uncharged metallic solid sphere of radius R is placed at a distance...

    Text Solution

    |

  14. There are two concentric conducting spherical shells of radii 10 cm an...

    Text Solution

    |

  15. A parallel plate capacitor (not connected with battery) have charge Q0...

    Text Solution

    |

  16. An arrangement of five identical capacitors are shown in given circuit...

    Text Solution

    |

  17. A parallel plate capacitor charged to potential difference V0 . The va...

    Text Solution

    |

  18. The area of cross section of a uniform cylindrical conducting wire is ...

    Text Solution

    |

  19. Which one of the following relations is incorrect ? ( Symbols have the...

    Text Solution

    |

  20. If two conducting wires Aand B of same dimensions have electron densit...

    Text Solution

    |

  21. A current carrying conductor is connected with a cell, after some time...

    Text Solution

    |