Home
Class 12
PHYSICS
For an ideal inductor, connected across ...

For an ideal inductor, connected across a sinusoidal a.c. voltage source, state which one of the following quantity is zero :
(i) instantaneous power,
(ii) average power over full cycle of the a.c. voltage source.

Text Solution

Verified by Experts

For an ideal inductor average power over full cycle of the a.c. voltage source is zero.
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    U-LIKE SERIES|Exercise SHORT ANSWER QUESTIONS|32 Videos
  • ALTERNATING CURRENT

    U-LIKE SERIES|Exercise LONG ANSWER QUESTIONS -I|26 Videos
  • ALTERNATING CURRENT

    U-LIKE SERIES|Exercise ASSERTION-REASON TYPE QUESTIONS|5 Videos
  • ATOMS

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST (SECTION C)|2 Videos

Similar Questions

Explore conceptually related problems

For an ideal inductor, connected across a sinusoidal ac voltage source, state which one of the following quantity is zero: (i) Instantaneous is zero : (ii) Average power over full cycle of the ac voltage source.

Average power lost per cycle of A.C. is given by

When an a.c source is connected across a resistor

What is the average value of a.c. over a full cycle ?

An inductor-coil having some resistance is connected to an AC source. Which of the following quantities have zero average value over a cycle?

A.C. power is transmitted from a power house at a high voltage as

The average current of full cycle of a.c is, if peak current is i_(0)

In a series L-R circuit, under which condition the power loss will be least for an a.c voltage source?

U-LIKE SERIES-ALTERNATING CURRENT -VERY SHORT ANSWER QUESTIONS
  1. In a series LCR circuit, the voltage across an inductor, a capacitor a...

    Text Solution

    |

  2. How much average power, over a complete cycle, does an a.c. source sup...

    Text Solution

    |

  3. For an ideal inductor, connected across a sinusoidal a.c. voltage sour...

    Text Solution

    |

  4. When an a.c. source is connected across an ideal inductor,show on a gr...

    Text Solution

    |

  5. What is wattless current ?

    Text Solution

    |

  6. The instantaneous current and voltage of an a.c. circuit are given by ...

    Text Solution

    |

  7. The instantaneous current and voltage of an a.c. circuit are given by ...

    Text Solution

    |

  8. State the conditions under which power factor is (i) maximum, and (ii)...

    Text Solution

    |

  9. Can the instantaneous power output of an a.c. source ever be negative ...

    Text Solution

    |

  10. How does the sign of the phase angle o, by which the supply voltage le...

    Text Solution

    |

  11. A bulb and a capacitor are connected in series to an a.c. source of va...

    Text Solution

    |

  12. The power factor of an a.c. circuit is 0.5. What will be the phase dif...

    Text Solution

    |

  13. Define 'quality factor of resonance in series LCR circuit. What is its...

    Text Solution

    |

  14. Can a transformer be used in d.c. circuits ? Why?

    Text Solution

    |

  15. Why is core of a transformer laminated one ?

    Text Solution

    |

  16. What is the function of a step up transformer ?

    Text Solution

    |

  17. Which physical quantity remains unchanged in a transformer ?

    Text Solution

    |

  18. Write any two factors responsible for energy losses in actual transfor...

    Text Solution

    |

  19. Mention the two characteristic properties of the material suitable for...

    Text Solution

    |

  20. Why is the use of a.c. voltage preferred over d.c. voltage ? Give two ...

    Text Solution

    |