Home
Class 12
PHYSICS
In a series LCR circuit, at resonance, p...

In a series LCR circuit, at resonance, power factor is …….. .

A

zero

B

0.5

C

1

D

`oo`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    NIKITA PUBLICATION|Exercise MCQ|314 Videos
  • ELECTRONS AND PHOTONS

    NIKITA PUBLICATION|Exercise MCQs|162 Videos

Similar Questions

Explore conceptually related problems

In series LCR circuit at resonance

In series LCR circuit at resonance,

In series LCR circuit at resonance,

In a series LCR circuit, at resonance the

In an LCR circuit, at resonance

In a series LCR circuit, at resonant frequency.

In a series resonant L-C-R circuit, the power factor is

Statement 1: In a series LCR circuit at resonance condition power consumed by ciccuit is maximum. Statement 2 : At resonance condition, the effective resistance of circuit is maximum.

STATEMENT-1: In a series LCR circuit at resonance, the voltage across the capacitor or inductor may be more than the applied voltage. STATEMENT-2: At resonance in a series LCR circuit, the voltages across inductor and capacitor are out of phase.

In a series LCR circuit, the resonance frequency is 800 Hz. The half power points are obtained at frequencies 745 and 855 Hz. Calcualte the Q factor of the circuit and the band width.

NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
  1. Henry is equivalent to

    Text Solution

    |

  2. In a purely resistive AS circuit,

    Text Solution

    |

  3. In a series LCR circuit, at resonance, power factor is …….. .

    Text Solution

    |

  4. An alternating voltage E=200sqrt(2)sin(100t) is connected to a 1 micro...

    Text Solution

    |

  5. Same current is flowing in two alternating circuits. The first circuit...

    Text Solution

    |

  6. In a circuit, the current lags behind the voltage by a phase differenc...

    Text Solution

    |

  7. Average power in the L-C-R circuit depends upon

    Text Solution

    |

  8. A transformer is having 2100 turns in primary and 4200 turns is second...

    Text Solution

    |

  9. When the number of turns and the length of the solenoid are doubled ke...

    Text Solution

    |

  10. When the current changes from +2A to -2A in 0.05s, and emf of 8B is in...

    Text Solution

    |

  11. An alternating voltage E = 200sqrt(2) sin (100 t)V is applied to a 2 m...

    Text Solution

    |

  12. In a series LCR circuit, at resonance, power factor is …….. .

    Text Solution

    |

  13. In series LCR circuit at resonance,

    Text Solution

    |

  14. The self inductane of coil of 400 turns is 8 mH. If current of 5 mA f...

    Text Solution

    |

  15. In LCR series circuit an ac emf of 2 volt and frequency 50 Hz is appli...

    Text Solution

    |

  16. A coil of self-inductance L is connected in series with a bulb B and a...

    Text Solution

    |

  17. A wire loop is rotated in magneitc field. The frequency of change of d...

    Text Solution

    |

  18. If 'N' is the number of turns in a coil, the value of self inductance ...

    Text Solution

    |

  19. In LCR series circuit , an alternating emf e and current i are given b...

    Text Solution

    |

  20. In electromagnetic wave , according to Maxwell , changing electric fie...

    Text Solution

    |