Home
Class 12
PHYSICS
Bulb B1(100W - 250W) and bulb B2(100W - ...

Bulb `B_1(100W - 250W)` and bulb `B_2(100W - 200V)` are connected across 250V. What is potential drop across `B_2` ?

A

`200 V`

B

`250 V`

C

`98 V`

D

`48 V`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 107

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 109

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

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

Two electric bulbs A and B rated 200V - 100W and 200 V - 60 W are connected in series to a 200 V line. Then the potential drop across

Tow electric bulb A and B rated 200 V - 100 W and 200 V ~ 60W are connected in series to a 200 V line . Then the potenital drop across .

Two electric bulbs one, if 200 V-40 W and other 200 V-100 W are connected in series to a 200 V line, then the potential drop across

4 bulbs marked 40 W , 250 V are connected in series with 250 V mains. The total power is

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

Statement-1: Two bulbs of 25 W and 100 W rated at 200 V are connected in series across 200 V supply. Ratio of powers of both the bulb in series is 2:1 Statement-2: In series current in both bulbs is same, therefore power depends on resistance of bulb.

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

Two bulbs 40W and 60W and rated voltage 240V are connected in series across a potential difference of 420V.The bulb which will work above its rated voltage is ----------W

NTA MOCK TESTS-NTA NEET SET 108-PHYSICS
  1. At magnetic poles of earth, angle of dip is

    Text Solution

    |

  2. A Daniel cell is balanced on 125 cm length of a potentiometer wire. No...

    Text Solution

    |

  3. Bulb B1(100W - 250W) and bulb B2(100W - 200V) are connected across 250...

    Text Solution

    |

  4. Three identical charges are placed on three vertices of a square. If t...

    Text Solution

    |

  5. Nature of equipotential surface for a point charge is

    Text Solution

    |

  6. In LCR series AC circuit, the current

    Text Solution

    |

  7. At time t = 0 second, voltage of an A.C. Generator starts from 0V and ...

    Text Solution

    |

  8. Gravitational force acts on a particle due to fixed uniform solid sphe...

    Text Solution

    |

  9. Assuming the mass of Earth to be ten times the mass of Mars, its radiu...

    Text Solution

    |

  10. A uniform copper rod 50 cm long is insulated on the sides, and has its...

    Text Solution

    |

  11. A carnot engine takes 300 cal. of heat at 500 k and rejects 150 cal o...

    Text Solution

    |

  12. The pressure and density of a given mass of a diatomic gas (gamma = (7...

    Text Solution

    |

  13. The resultant force on a square current loop PQRS due to a long curren...

    Text Solution

    |

  14. A short bar magnet placed with its axis at 30^(@) with a uniform exter...

    Text Solution

    |

  15. Flow rate of blood through a capillary of cross - sectional are of 0.2...

    Text Solution

    |

  16. A helicopter is flying horizontally at an altitude of 2km with a speed...

    Text Solution

    |

  17. Two blocks are in contact on a frictionless table. One has mass m and ...

    Text Solution

    |

  18. The net force acting is not zero on

    Text Solution

    |

  19. If radius of the .(13)^(27)Al nucleus is taken to be R(AI), then the r...

    Text Solution

    |

  20. The nuclear reaction n+.5^(10)B rarr .3^7Li + .2^4He is observed to o...

    Text Solution

    |