Home
Class 12
PHYSICS
A series LCR circuit is connected to 230...

A series LCR circuit is connected to 230 V a.c. source of variable frequency. The inductance of the coil is 5 H capacitance of the capacitor is `5 mu F` and resistance is `40 Omega`. At resonance calculate , (a) The resonant frequency , (b) current is the circuit and (c ) the inductive reactance.

Text Solution

Verified by Experts

`I=V/Z` at resonance Z=R= `40Omega`
`I=(22cancel0)/(4cancel0)`=5.5A
I=5.5 A
Promotional Banner

Topper's Solved these Questions

  • NUCLEI

    SUBHASH PUBLICATION|Exercise NUMARICALS WITH SOLUTIONS|26 Videos

  • QUESTION PAPER 2019

    SUBHASH PUBLICATION|Exercise PART - C|6 Videos

Similar Questions

Explore conceptually related problems

A series LCR circuit is connected to an a.c. source of variable frequency. Drow a suitable phasor diagram deduce the expressions for the amplitude of the current and phase angle.

A series LCR circuit having L = 0.4 H, C = 0.1 muE and R = 500 Omega is connected to an A.C. source of variable frequency. The quality factor of the circuit is

An inductance of (200/pi) mH, a capacitance of ((10^(-3))/(pi)) F and a resistance of 10 Omega are connected in series with an a.c source 220 V, 50 Hz.The phase angle of the circuit is

A series LCR circuit contains a pure inductor of inductance 5.0H, a capacitor of capacitance 20mu F and a resistor 40Omega . Find the resonant frequency of the circuit. Calculate the quality factor (Q- factor ) of the circuit. What is the impedance at resonant condition?

An inductance of 200/pi mG ,a capacitance of (10^-3)/pi F and a resistance of 10 Omega are connected in series with an a.c. source 220 V, 50 Hz. The phase angle of the circuit is

A series LCR circuit is connected to an AC source of voltage v and angular frequency Omega . When only the capacitor is removed the current lags behind the voltage by a phase angle 'phi' and when only the inductor is removed the current leads the voltage by the same phase angle. Find the current flowing and the average power dissipated in the LCR circuit.

SUBHASH PUBLICATION-PUE BOARD MODEL QUESTION PAPER 1-QUESTION
  1. Write the expression for the time period of oscillation of a small co...

    Text Solution

    |

  2. Derive the relation f = R//2 in the case of a concave mirror.

    Text Solution

    |

  3. Writer Bohr's postulates for the hydrogen atom model.

    Text Solution

    |

  4. Write the expression for the half life of a radioactive element.

    Text Solution

    |

  5. Name the device 'D' which is used as a voltage regulator in the given ...

    Text Solution

    |

  6. Obtain an expression for the electric field intenstiy at a point on th...

    Text Solution

    |

  7. Define relaxation time . Derive the expression for electrical co...

    Text Solution

    |

  8. Draw the circuit diagram of a Wheatstone bridge. Derive the balancing ...

    Text Solution

    |

  9. What is self-inductance of a coil ? Write its SI U Unit. Obtain the ...

    Text Solution

    |

  10. Obtain the expression for fringe width in the case of interference of ...

    Text Solution

    |

  11. With a neat circuit diagram, explain the working of an npn transistor ...

    Text Solution

    |

  12. Two capacitors of capacitance 600 pF and 900 pF are connected in serie...

    Text Solution

    |

  13. Two capacitors of capacitance 600 pF and 900 pF are connected in serie...

    Text Solution

    |

  14. Two capacitors of capacitance 600 pF and 900 pF are connected in serie...

    Text Solution

    |

  15. A straight wire of length pi //2 m is bent into a circular shap...

    Text Solution

    |

  16. A series LCR circuit is connected to 230 V a.c. source of variable fre...

    Text Solution

    |

  17. A series LCR circuit is connected to 230 V a.c. source of variable fre...

    Text Solution

    |

  18. A series LCR circuit is connected to 230 V a.c. source of variable fre...

    Text Solution

    |

  19. A small bulb is placed at the bottom of a tank containing water to a d...

    Text Solution

    |

  20. The threshold wavelength of a photosensitive metal is 662.5 nm. If thi...

    Text Solution

    |