Home
Class 12
PHYSICS
In LCR circuit currnet resonant frequenc...

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

A

(A) `1/6`

B

(A) `1/3`

C

(C) `6`

D

(D) `3`

Text Solution

Verified by Experts

The correct Answer is:
C
Quality factor
`=(f_0)/(f_(2)-f_(1)) =(600)/(100)=6`.
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    CENGAGE PHYSICS|Exercise Exercises Multiple Correct|5 Videos

  • ALTERNATING CURRENT

    CENGAGE PHYSICS|Exercise Exercises Assertion-reasoning|7 Videos

  • ALTERNATING CURRENT

    CENGAGE PHYSICS|Exercise Exercises Subjective|15 Videos

  • OSCILLATIONS

    CENGAGE PHYSICS|Exercise QUESTION BANK|39 Videos

  • ATOMIC PHYSICS

    CENGAGE PHYSICS|Exercise ddp.4.3|15 Videos

Similar Questions

Explore conceptually related problems

In a series LCR circuit, at resonant frequency.

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.

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 LCCR circuit having L=30 mH, R=8 Omega and the resonant frequency is 50 Hz. The quality factor of the circuit is

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

To reduce the resonant frequency in an LCR series circuit with a generator

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

For a certain pipe, three successive resonant frequencies are observed at 300 Hz, 420 Hz and 540 Hz. The speed of sound in air is 340 m/s. The pipe is a

CENGAGE PHYSICS-ALTERNATING CURRENT-Exercises Single Correct
  1. Power factor is one for

    Text Solution

    |

  2. A resonance of 20 Omega is connected to a source of an alternating pot...

    Text Solution

    |

  3. In LCR circuit currnet resonant frequency is 600Hz and half power poin...

    Text Solution

    |

  4. An ac voltage is represented by E=220 sqrt(2) cos (50 pi) t How m...

    Text Solution

    |

  5. A resistor and an inductor are connected to an ac supply of 120 V and ...

    Text Solution

    |

  6. A transmitter transmits at a wavelength of 300 m. A condenser of capac...

    Text Solution

    |

  7. A capasitor of capacitance 1 (mu)F is charged to a potential of 1 V, i...

    Text Solution

    |

  8. Using an ac voltmeter, the potential difference in the electrical line...

    Text Solution

    |

  9. An inductor and a resistor are connected in series with an ac source. ...

    Text Solution

    |

  10. A resistor and a capacitor are connected to an ac supply of 200 V, 50 ...

    Text Solution

    |

  11. In the above question, the capacitive reactance in the circuit is

    Text Solution

    |

  12. In the above question, the capacitance in the circuit is

    Text Solution

    |

  13. In a series LCR circuit, the voltage across the resistance, capactianc...

    Text Solution

    |

  14. An ideal choke takes a current of 10 A when connected to an ac supply ...

    Text Solution

    |

  15. A direct current of 5 amp is superimposed on an alternating current I=...

    Text Solution

    |

  16. In the circuit of fig, the source freqency is omega=2000 rad s^(-1). T...

    Text Solution

    |

  17. An rms voltage of 110 V is applied across a series circuit having a re...

    Text Solution

    |

  18. In the circuit given in fig. (VC)=50 V and R=50 Omega. The values of C...

    Text Solution

    |

  19. A 220-V, 50 Hz, ac generator is connected to an inductor and a 50 Omeg...

    Text Solution

    |

  20. An 8 (mu)F capacitor is connected across a 220 V, 50 Hz line. What is ...

    Text Solution

    |