Home
Class 12
PHYSICS
The condition of getting maximum current...

The condition of getting maximum current in an LCR series circuit is

A

`X_L=0`

B

`X_C=0`

C

`X_L=X_C`

D

`R=X_L-X_C`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise EXERCISE (Very Short Answer Type)|35 Videos
  • ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type-I)|18 Videos
  • ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise NCERT TEXTBOOK QUESTIONS WITH ANSWER HINT (MCQ-2)|4 Videos
  • CHHAYA PUBLICATION|Exercise EXAMPLE|1 Videos
  • ATOM

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|18 Videos

Similar Questions

Explore conceptually related problems

One of the condions to get a wattless current in an ac circuit is

The current l in the circuit shown is

Write down the conditions for which there will be no phase difference between alternating voltage and alternating current in a series LCR circuit?

In a resonant LCR circuit,

To reduce the resonant frequency in an LCR series circuit with a generator,

Sketch graphs to show the variation of (i) current and (ii) impedance of a series LCR circuit with the frequency of the ac source.

A 200muF capacitor is in series with a 50Omega resistor and is connected to a 220 V, 50 Hz ac source (i) What is the maximum current in the circuit (ii) What is the difference in time when the current and the voltage attain maximum values?

What is the condition for wattless current?

36 cells each of internal reistance 0.5Omega and emf1.5V each are used to sent current an external circuit of 2Omega reesistance. Find the best mode of grouping them for maximum current of and the current through the external circuit.

CHHAYA PUBLICATION-ALTERNATING CURRENT -EXERCISE (Multiple Choice Question)
  1. The reactance of an inductor of inductance 1/piH at frequency 50 Hz is

    Text Solution

    |

  2. Which quantity in an ac circuit is not dependent on frequency?

    Text Solution

    |

  3. The condition of getting maximum current in an LCR series circuit is

    Text Solution

    |

  4. The series resonant frequency of an LCR circuit is f. IF the capacitan...

    Text Solution

    |

  5. A coil has resistance 30 Omega and inductive reactance 20 Omega at 50 ...

    Text Solution

    |

  6. A fully charged capacitor C with initial charge q0 is connected to a ...

    Text Solution

    |

  7. A voltage V0sinomegat is applied across a series combination of resist...

    Text Solution

    |

  8. When an ideal choke is connected to an ac source of 100V and 50Hz, a c...

    Text Solution

    |

  9. In an LCR circuit voltages across R,L and C are 10V,10V and 20V respec...

    Text Solution

    |

  10. In an ac circuit alternating voltage E=200sqrt2 sin 100t volt is conne...

    Text Solution

    |

  11. The power factor of an LR circuit carrying an ac of angular frequency ...

    Text Solution

    |

  12. One of the condions to get a wattless current in an ac circuit is

    Text Solution

    |

  13. If an emf=E=E0cosomegat is applied to a circuit, the current becomes I...

    Text Solution

    |

  14. In an ac circuit , V and I are given by V=100sin(100t)V,and I=100sin (...

    Text Solution

    |

  15. The inductance and capacitance in a closed circuit are 20 mH and 2muF ...

    Text Solution

    |

  16. For an LC oscillator which one of the followings is not true?

    Text Solution

    |

  17. An ideal transformer is used to decrease an alternating voltage from 8...

    Text Solution

    |

  18. The core of any transformer is laminated so as to

    Text Solution

    |

  19. In a non -ideal transformer the primary and secondary voltages and cur...

    Text Solution

    |

  20. The turns ratio of an ideal transformer is 1:n. the input to output po...

    Text Solution

    |