Home
Class 12
PHYSICS
In a series LCR circuit the frequency of...

In a series LCR circuit the frequency of a 10V, AC voltage source is adjusted in such a fashion that the reactance of the inductor measures `15 Omega` and that of the capacitor `11Omega`. If `R= 3Omega`, the potential difference across the series combination of L and C will be:

A

8V

B

10V

C

22V

D

52V

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - II|26 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MOVING CHANGES & MEGNETISM)|95 Videos

Similar Questions

Explore conceptually related problems

Figure shows a series LCR circuit connected to a variable frequency 230 V source. L = 5.0 H, C = 80 mu F, R = 40 Omega . Determine the rms potential drops across the three elements of the circuit. Show that the potential drop across the LC combination is zero at the resonating frequency.

4muF capacitor and a resistance 2.5M Omega are in series with 12V battery, Find the time after which the potential difference across the capacitor is 3 times the potential difference across the resistor. [Given In ( 2 ) = 0.693]

A constant voltage of 25 V is applied to a series L-R circuit at t = 0 , by closing a switch . What is the pitential difference across the resister and the inductor at time t = 0?

AAKASH SERIES-ALTERNATING CURRENT-EXERCISE - III
  1. When an ac source of emf E = E(0) Sin (100pit) is connected across a c...

    Text Solution

    |

  2. An electric lamp designed for operation on 110 V AC is connected to a2...

    Text Solution

    |

  3. In a series LCR circuit the frequency of a 10V, AC voltage source is a...

    Text Solution

    |

  4. A circuit containing resistance R(1), inductance L(1) and capacitance ...

    Text Solution

    |

  5. An LCR circuit has 1= 10mH, R = 3Omega" and "C = 1muF connected in ser...

    Text Solution

    |

  6. In a series L-C-R circuit connected to an AC source operating at angul...

    Text Solution

    |

  7. The power in AC circuit is given by P = E("rms")I("rms") cos phi. The ...

    Text Solution

    |

  8. A circuit draws 330W from a 110V, 60Hz AC line. The power factor is 0....

    Text Solution

    |

  9. The power factor of the circuit is 1//sqrt(2). The capacitance of the ...

    Text Solution

    |

  10. The natural frequency of an LC - circuit is 125KHz. Then the capacitor...

    Text Solution

    |

  11. The tuning circuit of a radio receiver has a resistance of 50Omega, an...

    Text Solution

    |

  12. The self - inductance of the motor of an electric fan is 10 H. In orde...

    Text Solution

    |

  13. When a charged capacitor is made to discharge through an inductor, the...

    Text Solution

    |

  14. In an oscillating LC circuit, the maximum charge on capacitor is Q. Th...

    Text Solution

    |

  15. Power dissipated in an L-C-R series circuit connected to an AC source ...

    Text Solution

    |

  16. Which of the following combinations should be selected for better tuni...

    Text Solution

    |

  17. A small town with a demand of 800 KW of electric power at 220V is situ...

    Text Solution

    |

  18. In a transformer, the number of turns in the primary and secondary coi...

    Text Solution

    |

  19. A 220 V input is supplied to a transformer. The output circuit draws a...

    Text Solution

    |

  20. A transformer having efficiency of 90% is working on 200 V and 3 kW po...

    Text Solution

    |