Home
Class 12
PHYSICS
In figure, a lamp P is in series with an...

In figure, a lamp P is in series with an iron-core inductor L. When the switch S is closed, the brightness of the lamp rises relatively slowly to its full brightness than it would do without the inductor. This is due to

A

the low resistance of P

B

the induced EMF in L

C

the low resistance of L

D

the high voltage of the battery B

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Numerical MCQs|60 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs|33 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Discussion Question-|21 Videos

  • CURRENT ELECTRICITY

    PHYSICS GALAXY - ASHISH ARORA|Exercise All Questions|389 Videos

  • ELECTROSTATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numberical Problems|73 Videos

Similar Questions

Explore conceptually related problems

Figure represents two bullbs B_(1)" and " B_(2) resister R and inductor L. When the switch S in turned off,then

(i) When an AC source is connected to an ideal inductor show that the average power supplied by the source ever a complete cycle is zero. (ii) A lamp is connected in series with an inductor and an AC source. What happens to the brightness of the lamp when the key is plugged in and an iron rod is inserted the indcutor ? Explain.

A circuit consists of three identical lamps connected to a battery as shown in the figure. When the switch S is closed then the intensities of lamps A and B

A circuit consists of three identical lamps connected to a battery as shown in figure. When the switch S is closed then the intensities of lamps A and B

A lamp L is connected to an ac source along with an air core inductor as shown in the Figure. How is the brilliance of the lamp affected if core made of following material is inserted inside the inductor? (a) Iron (b) Copper (c) Iron sheets pasted together with insulation in between [laminated Iron core] In which case the lamp will be least bright?

If X, Y and Z in figure are identical lamps, which of the following changes to the brightness of the lamps occur when switch S is closed?

PHYSICS GALAXY - ASHISH ARORA-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-Conceptual MCQs
  1. In a given solenoid if the number of turns and the length of the solen...

    Text Solution

    |

  2. Eddy currents are produced in a matterial when it is

    Text Solution

    |

  3. In figure, a lamp P is in series with an iron-core inductor L. When th...

    Text Solution

    |

  4. A current carrying ring is placed in a horizontal plane. A charged par...

    Text Solution

    |

  5. A circuit element is placed in a closed box. At time I= 0, constant cu...

    Text Solution

    |

  6. Identify the incorrect statement. Induced electric field

    Text Solution

    |

  7. A periodic voltage V varies with time t as shown in the figure 5.249. ...

    Text Solution

    |

  8. The current i in an induction coil varies with time t according to the...

    Text Solution

    |

  9. In an RLC circuit, capacitance is changed from C to 2C. For the resona...

    Text Solution

    |

  10. In the shown AC circuit phase different between current I(1) and I(2) ...

    Text Solution

    |

  11. In the given LC circuit if initially capacitor C has change Q on it an...

    Text Solution

    |

  12. In a series RLC circuit, the fequency. Passing through a coil as shown...

    Text Solution

    |

  13. A magnet is made to oscillate with a particular frequency, passimg thr...

    Text Solution

    |

  14. Which materials have negative value of magnetic susceptibility?

    Text Solution

    |

  15. The average and RMS value of voltage for square wave shown in figure-5...

    Text Solution

    |

  16. When a loop moves towards a stationary magnet with speed v, the induce...

    Text Solution

    |

  17. In ac circuit when ac ammeter is connected it reads i current if a stu...

    Text Solution

    |

  18. If v alue of R is changed in the series RLC circuit shown in figure-5....

    Text Solution

    |

  19. A circuit consists of a circular loop of radius R kept in the plane of...

    Text Solution

    |

  20. Which of the following material is ferromagnetic

    Text Solution

    |