Home
Class 12
PHYSICS
A variable frequency AC source is connec...

A variable frequency AC source is connected a capacitor . How will the displacement current change with decrease in frequency?

A

Increase

B

decrease

C

remains same

D

becomes zero

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -IB|37 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Additional Exercise|11 Videos

  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos

Similar Questions

Explore conceptually related problems

A variable frequency AC source is connected to a capacitor. How will the displacement current change with decrease in frequency?

A variable frequency AC source is connected to a capacitor. How will the displacement current change with decrease in frequency?

If a variable frequency ac source is connected to a capacitor then with decrease in frequency the displacement current will

An AC source is connected to a capacitor. Will the rms current increase, decrease or remain constant if a dielectric slab is inserted into the capacitor?

Explain why the reactance provided by a capacitor to an alternating current decreases with increasing frequency.

In the given figure , a series L-C-R circuit is connected to a variable frequency source of 230 V . The impedance and amplitude of the current at the resonating frequency will be

When an AC source is connected to a capacitor there is a steady-state current in the circuit. Does it mean that the charges jump from one plate to the other to complete the circuit?

An a.c. source of angular frequency omega is fed across a resistor R and a capacitor C in series. The current registered is I. If now the frequency of the source is changed to omega//3 (but maintaining the same voltage), the current in the circuit is found to be halved. calculate the ratio of reactance to resistance at the original frequency omega .

An AC source is connected to a capacitor. The current in the current is I. Now a dielectric slab is inserted into the capacitor , then the new current is

An AC voltage source is applied across an R-C circuit. Angular frequency of the source is omega , resistance is R and capacitance is C. The current registered is I. If now the frequency of source is changed to omega/2 (but maintaining the same voltage), the current in the circuit is found to be two third. calculate the ratio of reactance to resistance at the original frequency omega .

AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -IA
  1. Practically ozone layer absorbs the radiation of wavelength

    Text Solution

    |

  2. A radiation of energy E falls normally on a perfectly reflecting surfa...

    Text Solution

    |

  3. The type of electromagnetic wave propagation which is effected as a re...

    Text Solution

    |

  4. X-rays are known as to be electromagnetic radi­ation. Therefore the X-...

    Text Solution

    |

  5. The altitude of the ozone layer in the atmosphere and the ‘type’ of th...

    Text Solution

    |

  6. Four atmospheric layers are given below, namely (i) stratosphere (ii) ...

    Text Solution

    |

  7. Infrared radiations are detected by

    Text Solution

    |

  8. Finger prints on a piece of paper may be detected by sprinkling fluore...

    Text Solution

    |

  9. The atmosphere above the height of 80 km is called

    Text Solution

    |

  10. The frequency from 3Hz to 30MHz is known as

    Text Solution

    |

  11. The frequency from 3xx10^(9) Hz to 3xx10^(10) Hz is

    Text Solution

    |

  12. A cube of edge a has its edges parallel to X, Y and Z -axis of rectang...

    Text Solution

    |

  13. Green house effect is

    Text Solution

    |

  14. One requires 11eV of energy to dissociate a carbon monoxide molecule i...

    Text Solution

    |

  15. The ratio of contributions made by the electric field and magnetic fie...

    Text Solution

    |

  16. An electromagnetic wave radiates outwards from a dipole antenna, with ...

    Text Solution

    |

  17. A variable frequency AC source is connected a capacitor . How will the...

    Text Solution

    |

  18. The condition under which a microwave oven heats up a food item conta...

    Text Solution

    |

  19. Match List-I (Electromagnetic wave type) with List-II (Its association...

    Text Solution

    |

  20. Electromagnetic waves with wavelength (i) lambda(1) is used in satel...

    Text Solution

    |