Home
Class 12
PHYSICS
A series LCR circuit with R = 20Omega (O...

A series LCR circuit with `R = 20Omega` (Ohm), L = 1,5H (Henry) and `C= 35muF`(Micro farad) is connected to a variable frequency 200 V (Volt) a.c. supply. When the frequency of the supply equals the natural frequency of the circuit, what is the average power transferred to the circuit in one complete cycle ?

Promotional Banner

Topper's Solved these Questions

  • Capacitance

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|132 Videos

Similar Questions

Explore conceptually related problems

A series LCR circuit with R= 20 Omega ,L=1.5H and C = 35 muF is connected to a variable-frequency 200 V ac supply. When the frequency of the supply equals the natural frequency of the circuit, what is the average power transferred to the circuit in one complete cycle?

A series LCR-circuit having L = 10 mH, C = (400//pi^2)muF and R = 55 ohm is connected to a 220 V variable frequency a.c. supply. Calculate the value of maximum current amplitude.

A series LCR-circuit having L = 10 mH, C = (400//pi^2)muF and R = 55 ohm is connected to a 220 V variable frequency a.c. supply. Find the frequecy of the source, for which the average power absorbed by the circuit is maximum.

A series LCR circuit with L=0.12H, C = 480 nF, R= 23 Omega is connected to a 230 V variable frequency supply. For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? What is the current amplitude at these frequencies?

A series circuit with L = 0.12H, C = 0.48 mF and R = 25 ohm, is connected to a 220V variable frequency power supply. At what frequency is the circuit current maximum ?

A series LCR circuit with L=0.12H, C = 480 nF, R= 23 Omega is connected to a 230 V variable frequency supply. What is the source frequency for which current amplitude is maximum. Obtain this maximum value.

An LCR circuit has L = 10 mH, R = 3 Omega and C = 1 mu F and is connected in series to a source of (15 cos omega t) volt. Calculate the current amplitude at a frequency 10 % lower than the resonance frequency of the circuit.

PUNJAB BOARD PREVIOUS YEAR PAPERS-ALTERNATING CURRENTS-EXERSICE
  1. A capacitor of unknown value and an inductor of 0.1H and a resistor of...

    Text Solution

    |

  2. A 60muF capacitor, a 0.3H inductor and a 50Omega resistor are connecte...

    Text Solution

    |

  3. A series LCR circuit with R = 20Omega (Ohm), L = 1,5H (Henry) and C= 3...

    Text Solution

    |

  4. What is the relation between peak value and root mean square value of ...

    Text Solution

    |

  5. What is the phase relationship between current and voltage in an induc...

    Text Solution

    |

  6. What do you mean by power factor of an a.c. circuit ?

    Text Solution

    |

  7. Define inductive reactance of an inductor.

    Text Solution

    |

  8. What is Wattless current ?

    Text Solution

    |

  9. Define capacitive reactance of a capacitor.

    Text Solution

    |

  10. What is an idle current ?

    Text Solution

    |

  11. Define impedance of an a.c. circuit.

    Text Solution

    |

  12. What is the impedance of a circuit ?

    Text Solution

    |

  13. What is impedance of circuit at resonance ?

    Text Solution

    |

  14. For a circuit at resonance, voltage applied is E = E@ sin wt and curre...

    Text Solution

    |

  15. For a circuit at resonance, voltage applied is E = E@ sin wt and curre...

    Text Solution

    |

  16. Define resonant frequency of LCR series circuit.

    Text Solution

    |

  17. Which is more dangerous in use :a.c or d.c. ? Explain, why

    Text Solution

    |

  18. Define root mean square value of an alternating current.

    Text Solution

    |

  19. The frequency of an ac supply is doubled, what happens to inductive re...

    Text Solution

    |

  20. How does capacitive reactance Xc of a capacitor vary in an a.c. and d....

    Text Solution

    |