Home
Class 12
PHYSICS
Power delivered by an ac source of angul...

Power delivered by an ac source of angular frequency `Omega_(0)` to an `LCR` series circuit is maximum when .

A

`omegaL =omegaC`

B

`omegaL = (1)/(omegaC)`

C

`omegaL =R -(1)/(omegaC)`

D

`omegaC = R - (1)/(omegaL)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    CP SINGH|Exercise EXERCISES|84 Videos

  • BOHR THEORY

    CP SINGH|Exercise Exercises|80 Videos

Similar Questions

Explore conceptually related problems

The average power in LCR series circuit is

For an LCR series circuit with an aac source of angular frequency omega .

In an LCR series ac circuit, the current is

Current in LCR ac circuit will be maximum when omega is

In LCR series AC circuit, the current

Resistor of resistance R and capacitor of capacitance C are connected in series to an AC source of angular frequency omega . Rms current in the circuit is I. When frequency of the source is changed to one - third of initial value keeping the voltage same then current is found to be halved. Find the ratio of reactance of capacitor to that with resistance at the original frequency omega .

CP SINGH-ALTERNATING CURRENT-EXERCISES
  1. An AC source rated 100 V (rms) supplies a current of 10 A(rms) to a ci...

    Text Solution

    |

  2. In an LCR circuit the energy is dissipated in

    Text Solution

    |

  3. Power delivered by an ac source of angular frequency Omega(0) to an LC...

    Text Solution

    |

  4. Two coils A and B are connected in series across a 240V ,50 Hz supply ...

    Text Solution

    |

  5. In previous question the resistance of coil B is

    Text Solution

    |

  6. In previous question the resistance of coil A is .

    Text Solution

    |

  7. A choke coil has.

    Text Solution

    |

  8. A choke coil is preferred to a resistance for reducing current in an a...

    Text Solution

    |

  9. An electric lamp which runs at 80 volt d.c. and consumes 10 ampere is ...

    Text Solution

    |

  10. In the circuit shown, R is a pure resistor, L is an inductor of neglig...

    Text Solution

    |

  11. A capacitor and an inductor are connected in parallel across an ac sou...

    Text Solution

    |

  12. In the given circuit the current drawn from the source is .

    Text Solution

    |

  13. An inductor of 10mH an a capacitor of 16mF are connected in the circui...

    Text Solution

    |

  14. The AC voltage across a resistance can be measured using

    Text Solution

    |

  15. Alternating current can be measured by

    Text Solution

    |

  16. Hot wire ammeters can be used for measuring

    Text Solution

    |

  17. In the given circuit, the AC source has (omega) = 100 rad//s. Consider...

    Text Solution

    |

  18. In a dc motor if E is the applied emf and e is the back emf then the e...

    Text Solution

    |

  19. Armature current in dc motor will be maximum when

    Text Solution

    |

  20. The armature of a dc motor has 20 Omega resistance It draws a currrent...

    Text Solution

    |