Home
Class 12
PHYSICS
In an LCR circuit, at resonance...

In an LCR circuit, at resonance

A

the current leads the voltage by `pi//2`

B

the current is minimum

C

the impedance is maximum

D

the current and voltage are in phase

Text Solution

Verified by Experts

The correct Answer is:
D

the current and voltage are in phase
Promotional Banner

Topper's Solved these Questions

  • K-CET-PHYSICS-2014

    SUNSTAR PUBLICATION|Exercise MCQs|60 Videos
  • K-CET-PHYSICS-2019

    SUNSTAR PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|59 Videos

Similar Questions

Explore conceptually related problems

For a series LCR circuit at reasonance , the statement which is not true is

What is meant by resonance in a series LCR circuit? Write the expression for the current through LCR series circuit at resonance. Mention any one application of resonant circuits.

In a LCR circuit capacitance is changed from C to 2C. For resonant frequency to remain unchanged, the inductor should be changed from L to

In the series RCL circuit at resonance the applied ac voltage is 220 V. The potential drop across the inductance is 110 V, the potential drop across the resistance is

In a LCR circuit the potential difference between terminals of the inductance is 60 V, between the terminals of the capacitor is 30 V and that between the terminals of resistance is 40 V. The supply voltage will be equal to

Give the expression for the impedance of an LCR circuit and obtain the expression for the resonant frequency. What is the power factor of the resonant circuit?

SUNSTAR PUBLICATION-K-CET-PHYSICS-2015-multiple choice questions
  1. A cyclotron is used to accelerate

    Text Solution

    |

  2. A transformer is used to light 100 W - 110 lamp from 220 V mains. If ...

    Text Solution

    |

  3. In an LCR circuit, at resonance

    Text Solution

    |

  4. An aircraft with a wingspan of 40 m flies with a speed of 1080 km/hr i...

    Text Solution

    |

  5. Two colis have a mutual inductance 0.005 H. The current changes in the...

    Text Solution

    |

  6. The magnetic susceptibility of a paramagnetic material at is 0.0075 an...

    Text Solution

    |

  7. In a Young.s doubles slit experiment the slit separation is 0.5m from ...

    Text Solution

    |

  8. Calculate the focal length of a reading glass of a person if his dista...

    Text Solution

    |

  9. A person wants a real image of his own, 3 times enlarged. Where should...

    Text Solution

    |

  10. If epsilon(0) and mu(0) are the permittivity and permeability of free ...

    Text Solution

    |

  11. The average power dissipated in a pure inductor

    Text Solution

    |

  12. An particle of energy 5 MeV is scattered through 180° by gold nucleus....

    Text Solution

    |

  13. Find the de-Broglie wavelength of an electron with kinetic energy of 1...

    Text Solution

    |

  14. Light of two different frequencies whose photons have energies 1 eV an...

    Text Solution

    |

  15. The polarizing angle of glass is 57°. A ray of light which is incident...

    Text Solution

    |

  16. To observe diffraction, the size of the obstacle

    Text Solution

    |

  17. A radioactive decay can form an isotope of the original nucleus with t...

    Text Solution

    |

  18. The half life of a radioactive substance is 20 minutes. The time taken...

    Text Solution

    |

  19. A nucleus at rest splits into two nuclear parts having radii in the ra...

    Text Solution

    |

  20. What is the wavelength of light for the least energetic photon emitted...

    Text Solution

    |