Home
Class 12
PHYSICS
The reactance of capacitor at 50Hz is 10...

The reactance of capacitor at `50Hz` is `10Omega`. What will be its reactance at `200Hz`?

A

`10Omega`

B

`40Omega`

C

`2.5Omega`

D

`20Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
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

A capacitor is connected to an AC supply at 30 Hz. The reactance of the capacitor is 80 Omega . At what frequency its reactance will be 120 Omega ?

The reactance of a capacitanee at 50 Hz is 4Omega . If the frequeney is increased to 200 Hz, then the reactance is

A capacitor has a reactance of 100 Omega at 50 Hz Whatt will be its reactance at 125 Hz ?

The reactance of an inductor at 50 Hz is 100Omega . If the frequency is increased to 60 Hz, the reactance of the same inductor becomes

The reactance offered by a capcitor to an a.c. of frequency 50 Hz is 15 Omega . What would be its reactance if the frequency is increased to 75 Hz?

Consider the following two statements A and B and identify the correct answer. {:A) At resonance of L-C series circuit, the reactance of circuit is minimum. {:B) The reactance of a capacitor is an A.C circuit is similar to the reactance of a capacitor in a D.C circuit

The inductance of the motor of a fan is 1.0 H. To run the fan at 50 Hz the capacitance of the capacitor that will cancel its inductive reactance, will be -

Reactance of a capacitor of capacitance 1//pi farad at 50 Hz is

The reactance of a capacitor in an A.C. circuit is 10Omega . If the frequency of A.C. is doubled, its reactance will become

(a) What is the reactance of a 2.00 H inductor at a frequency of 50.0 Hz ? (b) What is the inductance of an inductor whose reactance is 2.00 Omega at 50.0 Hz ? (c) What is the reactance of a 2.00 muF capacitor at a frequency of 50.0 Hz ? (d) What is the capacitance of a capacitor whose reactance is 2.00 Omega at 50.0 Hz ?

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-CRITICAL THINKING
  1. An alternating e.m.f. of 100V (rms) is applied to a series LCR circuit...

    Text Solution

    |

  2. A 10muF capacitor is connected across a 200V, 50Hz A.C. supply. The pe...

    Text Solution

    |

  3. The reactance of capacitor at 50Hz is 10Omega. What will be its reacta...

    Text Solution

    |

  4. The reactance of a capacitor in an A.C. circuit is 10Omega. If the fre...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. 2.5/(pi) muF capacitor and 3000-ohm resistance are joined in series t...

    Text Solution

    |