Home
Class 12
PHYSICS
At resonance the peak value of current i...

At resonance the peak value of current in `L-C-R` series circuit is

A

`E_(0)//R`

B

`(E_(0))/(sqrt(R^(2) + (omega L - (1)/(omega C))^(2)))`

C

`(E_(0))/(sqrt(R^(2) + (omega L - (1)/(omega^(2) C^(@)))^(2)))`

D

`(E_(0))/(sqrt(2)R)`

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    NARAYNA|Exercise LEVEL - II(H.W)|13 Videos
  • ALTERNATING CURRENT

    NARAYNA|Exercise LEVEL - VI|120 Videos
  • ATOMIC PHYSICS

    NARAYNA|Exercise LEVEL-II (H.W)|14 Videos

Similar Questions

Explore conceptually related problems

At resonance the peak value of current in a series LCR circuit is

In L-C-R series AC circuit,

The current in the series L-C-R circuit is

When a.c. flows through a capacitor, the peak value of current in the circuit is........

Assertion: At resonance, power factor of L-C-R series circuit is 1. Reason: At resonance, X_(C) = X_(L)

At resonant frequency the current amplitude in series LCR circuit is

Assertion (A) : At resonance , the current becomes minimum is a sreies LCR circuit. Reason (R) : At resonance, voltage and current are in same phase in a series LCR circuit.

The value of current in tow series LCR circuits at resonance is same, then

Keeping the source of frequency equal to the resonating frequency of the series LCR circuit, if the three elements L, C and R in are arranged in parallel , show that the total current in the parallel LCR circuit is a minimum at this frequency. Obtain the r.m.s. value of current in each brach of the circuit for the elements and source specified in for this frequency.

The incorrect statement for L-R-C series circuit is

NARAYNA-ALTERNATING CURRENT-LEVEL - I (H.W)
  1. The voltage of an A.C source varies with time according to the equatio...

    Text Solution

    |

  2. The form factor for a sinusoidal A.C is

    Text Solution

    |

  3. At resonance the peak value of current in L-C-R series circuit is

    Text Solution

    |

  4. In an AC circuit, the mass value of the current I("rms") is related to...

    Text Solution

    |

  5. A voltmeter connected in an A.C circuit reads 220 V. It represents,

    Text Solution

    |

  6. If the instantaneous current in a circuit is given by I = 20 cos (omeg...

    Text Solution

    |

  7. The time taken by an AC of 50 Hz in reaching from zero to its maximum ...

    Text Solution

    |

  8. A generator produces a time varying voltage given by V=240 sin 120 t, ...

    Text Solution

    |

  9. A 220 V, 50 Hz AC supply is connected across a resistor of 50 k omega....

    Text Solution

    |

  10. A resistance of 20 Omega is connected to a source of alternating curre...

    Text Solution

    |

  11. A conductor of capacity 1pF is connected to an A.C source of 220 V and...

    Text Solution

    |

  12. In a circuit, the frequency is f = (1000)/(2 pi) Hz and the inductance...

    Text Solution

    |

  13. The transformer ratio of transformer is 10 : 1. The current in the pri...

    Text Solution

    |

  14. The transformer ratio of transformer is 10 : 1. If the primary voltag...

    Text Solution

    |

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

    Text Solution

    |

  16. In a series LCR circuit, resistance R=10Omega and the impedence Z=20Om...

    Text Solution

    |

  17. In an L-C-R series circuit, R = sqrt(5) Omega, = 9 Omega, X(C ) = 7 ...

    Text Solution

    |

  18. In an ac circuit the potential differences across an inductance and re...

    Text Solution

    |

  19. Current in an ac circuit is given by I= 3 sin omega t + 4 cos omega t,...

    Text Solution

    |

  20. A fully charged capacitor C with initial charge q(0) is connected to a...

    Text Solution

    |