Home
Class 12
PHYSICS
Is the behaviour of resistance is the sa...

Is the behaviour of resistance is the same in both AC and DC circuits ?

Text Solution

Verified by Experts

Yes , R is equally effective to reduce both AC and DC
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    MODERN PUBLICATION|Exercise Revision Exercises ( Additional Questions )|10 Videos
  • ALTERNATING CURRENT

    MODERN PUBLICATION|Exercise Revision Exercises (Fill in the Blanks )|10 Videos
  • ALTERNATING CURRENT

    MODERN PUBLICATION|Exercise HIGHER ORDER THINKING SKILLS & ADVANCED LEVEL|7 Videos
  • ATOMS

    MODERN PUBLICATION|Exercise Chapter Practice Test|16 Videos

Similar Questions

Explore conceptually related problems

An a.c. source is connected to two circuit as shown in fig. 14.10. Obtain the current through the resistance R at resonance in both the circuits.

An AC source is connected to two circuits as shown in figure-5.229. Obtain the current through resistance R at resonance in both the circuits.

Are Kirchhoff’s laws applicable to both AC and DC circuits?

Challenging problems in DC circuits

If both the resistance and the inductance in an LR AC series circuit are doubled the new impedance will be

Revision class DC Circuits

In the circuit shown in figure the reading of ammeter is the same with both switches open as with both closed. Then find the resistance R . (ammeter is ideal).

The power factor of an L-R series circuit is 0.5 and that of a C-R series circuit is 0.2. If the elements (L, C and R) of the two circuit are joined in series and connected to the same ac source, the power factor of this circuit is found to be 1. The ratio of the resistance in the L-R circuit to the resistance in the C-R circuit is

Challenging Problems in DC Circuits

MODERN PUBLICATION-ALTERNATING CURRENT -Revision Exercises ( Very short Annwer Qustion )
  1. What is the phase relationship between voltage and current in an AC ci...

    Text Solution

    |

  2. Draw a graph between voltage and current in case of an AC circuit cont...

    Text Solution

    |

  3. Is the behaviour of resistance is the same in both AC and DC circuits ...

    Text Solution

    |

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

    Text Solution

    |

  5. What is the relation between mean value of AC with the peak value ?

    Text Solution

    |

  6. Give the relation between the rms value and peak value of AC .

    Text Solution

    |

  7. What is the significance of phasors in AC circuits ?

    Text Solution

    |

  8. What is the phase relationship between voltage and current in case of ...

    Text Solution

    |

  9. Draw a graph between voltage and currenrt in case of an AC circuit con...

    Text Solution

    |

  10. Compare between inductive reactance and capacitive reactance.

    Text Solution

    |

  11. How inductive reactance depends on the frequency of AC ?

    Text Solution

    |

  12. What is the phase relationship between voltage and current in case of ...

    Text Solution

    |

  13. Draw a graph between voltage and current in case of an AC circuit cont...

    Text Solution

    |

  14. Define capacitor reactance. Write its SI units.

    Text Solution

    |

  15. How capacitive reactance depends on the frequency of AC ?

    Text Solution

    |

  16. What is the value of capacitive reactance (X(C)) in DC circuits ?

    Text Solution

    |

  17. Plot a graph showing variation of capacitive reactance with the change...

    Text Solution

    |

  18. Find the reactance of a capacitor having a capacitance ((1)/(pi))muF a...

    Text Solution

    |

  19. How the reactance of an inductor depends on frequency ?

    Text Solution

    |

  20. Write the mathematical form of impedance (Z) of an AC circuit .

    Text Solution

    |