Home
Class 12
PHYSICS
When a charged capacitor is made to disc...

When a charged capacitor is made to discharge through an inductor, the charge Q on the capacitor and the current i in the inductor vary sinusoidally. The phase difference between Q and i is

A

`pi`

B

`pi//2`

C

`pi//4`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - II|26 Videos
  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MOVING CHANGES & MEGNETISM)|95 Videos

Similar Questions

Explore conceptually related problems

A charged 30 mu F capacitor is connected to a 27 mH inductor. What is the angular frequency of free oscillations of the circuit ?

Show that the force on each plate of a parallel plate capacitor has a magnitude equal to (1//2) QE, where Q is the charge on the capacitor, and E is the magnitude of electric field between the plates. Explain the origin of the factor 1//2 .

A closed loop moves normal to the constant electric field between the plates a large capacitor. Is a current induced in the loop (i) when it is wholly inside the region between the capacitor plates (ii) when it is partially outside the plates of the capacitor plates (ii) When it is partially outside the plates of the capacitor? The electric field is normal to the plane of the loop.

AAKASH SERIES-ALTERNATING CURRENT-EXERCISE - III
  1. In a series LCR circuit the frequency of a 10V, AC voltage source is a...

    Text Solution

    |

  2. A circuit containing resistance R(1), inductance L(1) and capacitance ...

    Text Solution

    |

  3. An LCR circuit has 1= 10mH, R = 3Omega" and "C = 1muF connected in ser...

    Text Solution

    |

  4. In a series L-C-R circuit connected to an AC source operating at angul...

    Text Solution

    |

  5. The power in AC circuit is given by P = E("rms")I("rms") cos phi. The ...

    Text Solution

    |

  6. A circuit draws 330W from a 110V, 60Hz AC line. The power factor is 0....

    Text Solution

    |

  7. The power factor of the circuit is 1//sqrt(2). The capacitance of the ...

    Text Solution

    |

  8. The natural frequency of an LC - circuit is 125KHz. Then the capacitor...

    Text Solution

    |

  9. The tuning circuit of a radio receiver has a resistance of 50Omega, an...

    Text Solution

    |

  10. The self - inductance of the motor of an electric fan is 10 H. In orde...

    Text Solution

    |

  11. When a charged capacitor is made to discharge through an inductor, the...

    Text Solution

    |

  12. In an oscillating LC circuit, the maximum charge on capacitor is Q. Th...

    Text Solution

    |

  13. Power dissipated in an L-C-R series circuit connected to an AC source ...

    Text Solution

    |

  14. Which of the following combinations should be selected for better tuni...

    Text Solution

    |

  15. A small town with a demand of 800 KW of electric power at 220V is situ...

    Text Solution

    |

  16. In a transformer, the number of turns in the primary and secondary coi...

    Text Solution

    |

  17. A 220 V input is supplied to a transformer. The output circuit draws a...

    Text Solution

    |

  18. A transformer having efficiency of 90% is working on 200 V and 3 kW po...

    Text Solution

    |

  19. An inductor 20mH, a capacitor 100muF and a resistor 50Omega are connec...

    Text Solution

    |

  20. The figure shows variation of R, X(L) and X(C) with frequency f in a s...

    Text Solution

    |