Home
Class 12
PHYSICS
the following option is correctfor an id...

the following option is correctfor an ideal capacitor connected to a sinusoidal voltage sources over a complete cycle?

A

Neither the average power nor the average current is zero

B

Average current is zero but not the average power

C

The average power is zero, but not the average current

D

Both the average power and average current are zero

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - B) (Objective Type Questions (One option is correct))|14 Videos
  • ALTERNATING CURRENT

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - C ) (Objective Type Questions) ( More than one option are correct)|2 Videos
  • ALTERNATING CURRENT

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|15 Videos
  • ATOMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION J (Aakash Challengers )|5 Videos

Similar Questions

Explore conceptually related problems

Which of the following is true for an ideal capacitor connected to a sinusoidal voltage source ?

What is the reactance of a capacitor connected to a constant DC source?

Find capacitive reactance of a capacitor connected to a dc source.

(i) When an ac source is connected to an ideal capacitor show that the average power supplied by the source over a complete cycle is zero. (ii) A lamp is connected in series with a capacitor. Predict your observation when the system is connected first across a dc and an ac source. What happence in each case if the capacitance of the capacitor is reduced ?

An inductor is connected to a direct voltage source through a switch. Now

What is an electrode connected to the negative terminal of a voltage source called?

What is an electrode connected to the positive terminal of a voltage source called?

Answer the following: (i) When an AC source is connected to an ideal inductor show that the average power supplied by the source every complete cycle is zero. (ii) A lamp is connected in series with an inductor and an AC source. What happens to the brightness of the lamp when the key is plugged in and an iron rod is inserted in the inducutor ? Explain.

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

True or False: An electrode connected to the negative terminal of a voltage source is called the anode.

AAKASH INSTITUTE ENGLISH-ALTERNATING CURRENT -Assignment (Section - A) ( Objective Type Questions ( One option is correct))
  1. The resonance frequency of a certain RLC series circuit is omega(0) . ...

    Text Solution

    |

  2. A variable inductor inductor is connected to an AC source. When induc...

    Text Solution

    |

  3. In series LCR AC circuit, the voltage of the source at any instant is ...

    Text Solution

    |

  4. In a series RLC circuit, if the frequency is increased to a very large...

    Text Solution

    |

  5. A series LCR circuit, has equal resistance capacitive reactance. What ...

    Text Solution

    |

  6. Consider an ac circuit where an incandescent light bulb is in series ...

    Text Solution

    |

  7. the following option is correctfor an ideal capacitor connected to a s...

    Text Solution

    |

  8. A power outlet puts out 60 Hz AC. Which of the following statements is...

    Text Solution

    |

  9. The ideal meter shown in figure read rms current and voltage. The aver...

    Text Solution

    |

  10. A transformer is used to light a 100W and 110V lamp form a 220V mains....

    Text Solution

    |

  11. In a series lags the applied emf. The rate at which energy is dissipat...

    Text Solution

    |

  12. The core of a transformer is laminated to reduce

    Text Solution

    |

  13. The primary coil of an ideal transformer has 100 turns and the seconda...

    Text Solution

    |

  14. Power factor is one for

    Text Solution

    |

  15. A sinusoidal alternating current of peak value (I0) passes through a h...

    Text Solution

    |

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

    Text Solution

    |

  17. Two resistors are connected across an AC source of 5 V. The P.D. acro...

    Text Solution

    |

  18. In the figure, find the value of the applied voltage

    Text Solution

    |

  19. Refer to the series LCR AC circuit. Find the value of V(3)

    Text Solution

    |

  20. For an LCR series circuit with an aac source of angular frequency omeg...

    Text Solution

    |