Home
Class 12
PHYSICS
The inductive reactance of a coil is 100...

The inductive reactance of a coil is `1000Omega`. If its inductance and the frequency of A.C. supply are both doubled, then the reactance will become

A

`2000Omega`

B

`4000Omega`

C

`8000Omega`

D

`16,000Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|158 Videos

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

  • ELASTICITY

    TARGET PUBLICATION|Exercise Evaluation test|14 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

The inductive reactance of a coil is 1000 Omega . If its self inductance and frequency both are increased two times then inductive reactance will be –

Inductive reactance of a coil is expressed in

The inductive reactance of a coil of 0.2 H inductance at a frequecy of 60 Hz is

With an increase in the frequency of an AC supply the capacitive reactance

The inductive reactance of an inductor of inductance L is

The inductance of a coil is 0.25 H. Calculate its inductive reactance in a.c. frequency 50 Hz.

With increase in frequency of an AC supply, the inductive reactance:

In a pure capacitive circuit if the frequency of ac source is doubled, then its capacitive reactance will be

With increase in frequency of an AC supply, the capacitive reactance:

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-CRITICAL THINKING
  1. The reactance of a capacitor in an A.C. circuit is 10Omega. If the fre...

    Text Solution

    |

  2. A resistance of 10Omega, an inductance of ((2)/(pi)) henry and a capac...

    Text Solution

    |

  3. The inductive reactance of a coil is 1000Omega. If its inductance and ...

    Text Solution

    |

  4. In a series A.C. circuit , R=100Omega, X(L)=300Omega and X(C )=200Omeg...

    Text Solution

    |

  5. An inductive coil has resistance of 100 Omega. When an ac signal of fr...

    Text Solution

    |

  6. A series RLC circuit has the following values R=20Omega, X(L)=10Omega....

    Text Solution

    |

  7. When 100 V DC is applied across a solenoid, a current of 1.0 A flows i...

    Text Solution

    |

  8. It is found that the current in the circuit is 0.50A with D.C. source ...

    Text Solution

    |

  9. A variable capacitor and an inductive coil with negligible resistance ...

    Text Solution

    |

  10. The e.m.f. and the current of an A.C. circuit are e=5cos omega t volt ...

    Text Solution

    |

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

    Text Solution

    |

  12. In an A.C. circuit, the current flowing in inductance is I = 5 sin (10...

    Text Solution

    |

  13. When a coil is connected to a D.C. source of e.m.f. 12 volt, then a cu...

    Text Solution

    |

  14. The equations of voltage and current in an A.C. circuit are e=100 sin ...

    Text Solution

    |

  15. The r.m.s current in an AC circuit is 2A. If the wattless current be s...

    Text Solution

    |

  16. If power factor is 1//2 in a series RL, circuit R=100 Omega. AC mains ...

    Text Solution

    |

  17. 2.5/(pi) muF capacitor and 3000-ohm resistance are joined in series t...

    Text Solution

    |

  18. A resistor R, an inductor L and a capacitor C are connected in series ...

    Text Solution

    |

  19. A coil of 4mH and a capacitor of 10 muF are in series with an A.C. sou...

    Text Solution

    |

  20. The frequency at which the inductive reactance of 2 H inductance will ...

    Text Solution

    |