Home
Class 12
PHYSICS
In a series LCR circuit, the resonance f...

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.

Promotional Banner

Topper's Solved these Questions

  • AC CIRCUITS AND ELECTRIC CIRCUITS

    SL ARORA|Exercise problem|57 Videos
  • ATOMS, NUCLEI AND MOLECULES

    SL ARORA|Exercise Problems For Self Practice|87 Videos

Similar Questions

Explore conceptually related problems

In a series LCR circuit, at resonant frequency.

A series LCR circuit resonates at a frequency of 850 Hz. If the half power points are obtained at frequencies f_(1) = 750 Hz and f_(2) = 840 Hz then calculate the Q - factor of the circuit and bandwidth.

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

Power in an ac circuit | Resonant frequency

Power factor in series LCR circuit at reasonance is

In LCR circuit currnet resonant frequency is 600Hz and half power points are at 650 and 550 Hz. The quality factor is

In a series LCR circuit resonance of frequency is the half of the frequency of source.The nature of the circuit is

In an LCR. series circuit the resonating frequency can be decreased by -

In series resonace, LCR circuit, below the resonant frequency, the circuit is

SL ARORA-AC CIRCUITS AND ELECTRIC CIRCUITS-problem
  1. In a series LCR circuit, the resonance frequency is 800 Hz. The half p...

    Text Solution

    |

  2. An a.c. source of angular frequency omega is fed across a resistor R a...

    Text Solution

    |

  3. An L-C-R series circuit with 100Omega resistance is connected to an AC...

    Text Solution

    |

  4. A current of 4 A flows in a coil when connected to a 12 V dc source. I...

    Text Solution

    |

  5. An LCR circuit has L = 10 mH. R = 3 ohm and C = 1 mu F connected in se...

    Text Solution

    |

  6. Inductance (L), capacitance (C) and resistance (R) are constained in a...

    Text Solution

    |

  7. A series LCR- circuit containing a resistance of 120 Omega has angular...

    Text Solution

    |

  8. An LC- circuit (inductance 0.01 H and capacitance 1 muF) is connected ...

    Text Solution

    |

  9. An a.c. source is connected to two circuit as shown in fig. 14.10. Obt...

    Text Solution

    |

  10. The current in a coil of self-inductance 2.0 H is increasing according...

    Text Solution

    |

  11. Two coil have self-inductances L(1)=8 mH and L(2)=2 mH. In both of the...

    Text Solution

    |

  12. Keeping the source of frequency equal to the resonating frequency of t...

    Text Solution

    |

  13. What will be the instantaneous voltage for an a.c. supply of 230 V and...

    Text Solution

    |

  14. The instantaneous emf an a.c. source is given by epsi=300 sin 314 t. W...

    Text Solution

    |

  15. The emf an source is given by the expression epsi=300 sin 314 t. Write...

    Text Solution

    |

  16. An alternative current in amperes us given by I=50 sin (400 pi t+phi)....

    Text Solution

    |

  17. An alternating emf of peak value 350 V is applied across an a.c. ammet...

    Text Solution

    |

  18. The effective value of current in a 50 cycle a.c. circuit is 5 A. what...

    Text Solution

    |

  19. The peak value of an alternating current of frequency 50 Hz is 14.14 A...

    Text Solution

    |

  20. A 100 Omega iron is connected to a 220 V, 50 cycles wall plug. What is...

    Text Solution

    |

  21. The equation of a.c. in a circuit is I=50 sin 100 pi t. Find (i) frequ...

    Text Solution

    |