Home
Class 12
PHYSICS
Resonant frequency is given by (for a se...

Resonant frequency is given by (for a series L-C-R circuit)

A

`f=(1)/(2pisqrt(LC))`

B

`f=(1)/(sqrt(LC))`

C

`f=(2pi)/(sqrt(LC))`

D

`f=2pisqrt(LC)`

Text Solution

Verified by Experts

The correct Answer is:
A
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

Obtain the resonant frequency and Q factor of a series LCR circuit with L = 3.0 H, C = 27 mu F and R = 7.4 ohm.

At resonance frequency the impedance in series LCR circuit is

In L-C-R series circuit

The resonant frequency of a series LCR circuit with L=2.0 H,C =32 muF and R=10 Omega is

At resonant frequency the current amplitude in series LCR circuit is

In L-C-R series AC circuit,

The figure shows variation of R,X_(L) and X_(C) with frequency f in a series L,C,R circuit. Then for what frequency point, the circuit is inductive ?

Keeping the source of frequency equal to the resonating frequency of the series LCR circuit, if the three elements L, C and R in are arranged in parallel , show that the total current in the parallel LCR circuit is a minimum at this frequency. Obtain the r.m.s. value of current in each brach of the circuit for the elements and source specified in for this frequency.

NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
  1. At resonance series/parallel resonant circuit acts as purely

    Text Solution

    |

  2. In resonant circuit, at resonant frequency

    Text Solution

    |

  3. Resonant frequency is given by (for a series L-C-R circuit)

    Text Solution

    |

  4. Resonance curve of a resonant circuit is graphical representation betw...

    Text Solution

    |

  5. In resonant circuits, at resonance, the phase difference between curre...

    Text Solution

    |

  6. In series resonant circuit, at resonance the phase difference between ...

    Text Solution

    |

  7. Voltage magnification factor of a series resonance circuit is

    Text Solution

    |

  8. The ratio of voltage across inductor/condenser to the voltage across r...

    Text Solution

    |

  9. The voltage across inductor and condenser at resonance is

    Text Solution

    |

  10. In an AC circuit resistance, inductance and capacitance are connected ...

    Text Solution

    |

  11. In LCR series AC circuit, the current

    Text Solution

    |

  12. Power delivered by an ac source of angular frequency omega(0) to an LC...

    Text Solution

    |

  13. The phase difference between the current and voltage of LCR circuit in...

    Text Solution

    |

  14. A series LCR circuit containing a resistance of 120 ohm has angular re...

    Text Solution

    |

  15. In parallel resonant circuit, at resonance

    Text Solution

    |

  16. In parallel resonant circuit, the current through condenser leads the ...

    Text Solution

    |

  17. With increase in frequency of ac supply the impedance of the parallel ...

    Text Solution

    |

  18. In parallel resonant circuit current through condenser leads the sourc...

    Text Solution

    |

  19. The series resonant circuit is called as

    Text Solution

    |

  20. The parallel resonance circuit is called as

    Text Solution

    |