Home
Class 12
PHYSICS
An LR circuit contains a resistance of 4...

An LR circuit contains a resistance of `40Omega` and an inductance of 25 mH .What would be the power dissipated in the circuit for an applied alternating voltage of frequency 1000 Hz and peak value of 10 V?

Text Solution

Verified by Experts

The correct Answer is:
0.076 W
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise Hots numerical Problems|2 Videos
  • ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Assertion-reason type)|8 Videos
  • ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise Problem Set-I|18 Videos
  • CHHAYA PUBLICATION|Exercise EXAMPLE|1 Videos
  • ATOM

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|18 Videos

Similar Questions

Explore conceptually related problems

An alternating emf of E=20sin 1000tV is applied on a circuit containing a pure resistance of 25Omega in series with a coil of self-inductance 40 mH and resistance 15Omega . Find out the power factor of the circuit , Also , find out this capacitance of a capacitor that should be connected in series to raise the power factory to unity.

A 220V, 50Hz ac source is connected to an inductance of 0.2H and a resistance of 20Omega in series . What is the current in the circuit?

A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Omega resistance. Calculate the power dispated as heat in watt.

A series LCR circuit containing a resistance of 120Omega has angular resonance frequency 4times10^5rad//s .At resonance, the voltages across resistance and inductancr are 60V and 40V, respectively. Find the values of L and C. At what frequency , does not current in the circuit lag behind the voltage by 45^@ ?

What is the power dissipated in an ac circuit in which voltage and current are given by V=230sin(omegat+pi/2) and I=10sinomegat ?

The frequency of applied of ac voltage to an inductive coil is 1000Hz.L=25 mH and the power factor of the circuit is 0.1.Find the resistance of the coil.

What will be the peak value of the alternating current when a condenser of 1muF is connected to an alternating voltage of 200V, 60 Hz?

The inductance of a resistanceless coil is 0.5 henry. In the coil, the value of alternating current is 0.2 A, whose frequency is 50 Hz. The reactance of circuit is

A coil of resistance 8Omega and self -inductance 19.1 mH is connected with an ac source of peak voltage 200 V and frequency 50 Hz

If R =25Omega and inductive reactance=50Omega in an A.C circuit, then what will be its power factor?

CHHAYA PUBLICATION-ALTERNATING CURRENT -Problem Set-II
  1. When 100 volt dc is applied across a conducting coil, a current of 1A ...

    Text Solution

    |

  2. When 100 volt dc is applied across a conducting coil, a current of 1A ...

    Text Solution

    |

  3. An LR circuit contains a resistance of 40Omega and an inductance of 25...

    Text Solution

    |

  4. An alternating emf of E=20sin 1000tV is applied on a circuit containin...

    Text Solution

    |

  5. An alternating emf of E=20sin 1000tV is applied on a circuit containin...

    Text Solution

    |

  6. A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Ome...

    Text Solution

    |

  7. A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Ome...

    Text Solution

    |

  8. A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Ome...

    Text Solution

    |

  9. A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Ome...

    Text Solution

    |

  10. A circuit is set up connecting L=100 mH, C=5muF and R=100Omega is seri...

    Text Solution

    |

  11. A circuit is set up connecting L=100 mH, C=5muF and R=100Omega is seri...

    Text Solution

    |

  12. A circuit is set up connecting L=100 mH, C=5muF and R=100Omega is seri...

    Text Solution

    |

  13. A circuit draws a power of 550 W from a 220V-50 Hz source. The power f...

    Text Solution

    |

  14. Find out the inductance of an inductor which should be connected in se...

    Text Solution

    |

  15. An ac source is connected in series with an inductor of 5H and a resis...

    Text Solution

    |

  16. The primary coil of an ideal step-up transformer has 100 turns, and th...

    Text Solution

    |

  17. The primary coil of an ideal step-up transformer has 100 turns, and th...

    Text Solution

    |

  18. The primary coil of an ideal step-up transformer has 100 turns, and th...

    Text Solution

    |

  19. The primary coil of an ideal step-up transformer has 100 turns, and th...

    Text Solution

    |

  20. The primary coil of an ideal step-up transformer has 100 turns, and th...

    Text Solution

    |