Home
Class 12
PHYSICS
A circuit has a resistance and a reactan...

A circuit has a resistance and a reactance each equal to`100 Omega`.Find its power factor. If the circuit draws a current of 1.5 A for an applied voltage of 200 V, what is the average power consumed in the circuit?

Promotional Banner

Topper's Solved these Questions

  • AC CIRCUITS

    CHETANA PUBLICATION|Exercise Exercise|122 Videos
  • Current Electricity

    CHETANA PUBLICATION|Exercise Exercise|92 Videos

Similar Questions

Explore conceptually related problems

A 6Omega resistanceand 8Omega inductance are connected in series then power factor of the circuit is

A LCR series circuit has the impedance of 240 ohm. If R = 120 Omega , find the power factor of the circuit.

What is power consumed in a purely inductive a.c. circuit ?

An emf e = e_0 sin omega t applied to a series L-C-R circuit derives a current I = I_0 sin omega t in the circuit. Deduce the expression for the average power dissipated in the circuit.

.A 100 Omega resistor is connected to a 220 V, 50 Hz supply:-What is the rms value of current in the circuit?

Derive an expression for the average power associated with resistance in AC circuit.

In an R.C. circuit resistance = 4 Omega and XC = 3 Omega , then power factor is

A circuit connected to a 200 V supply takes a current of 4.8 A. If the angle of lag is 25^@ , find the power absorbed.

If three resistors 15Omega , 3Omega and 4 Omega each are connected in series, what is the effective resistance in the circuit?

CHETANA PUBLICATION-AC CIRCUITS-Exercise
  1. A resistance of 160 Omega is used in series with an inductance L and a...

    Text Solution

    |

  2. An A.C. e.m.f. of peak 220 V, 50 Hz is connected to an inductance of 2...

    Text Solution

    |

  3. A circuit has a resistance and a reactance each equal to100 Omega.Find...

    Text Solution

    |

  4. An A.C. circuit of peak e.m.f. 200 V and of frequency 50 Hz contains a...

    Text Solution

    |

  5. Find the capacitive reactance of a 100 muF capacitor used on a A.C.sou...

    Text Solution

    |

  6. A capacitance of 0.4 muF is connected to an alternating e.m.f. of freq...

    Text Solution

    |

  7. A capacitor of 50 muF is connected across a 100 V, 50 Hz a.c. supply. ...

    Text Solution

    |

  8. An a.c. series circuit has a source of maximum e.m.f. 220 V at a frequ...

    Text Solution

    |

  9. The resonant frequency of a parallel LC circuit is 1000 kHz. If L = 3m...

    Text Solution

    |

  10. Find the capacitance to be connected in parallel with a 100 mH inducta...

    Text Solution

    |

  11. An A.C. voltage of r.m.s. value IV is applied to a parallel combinatio...

    Text Solution

    |

  12. A capacitor is used with an A.C. source of 110 V and frequency 50 Hz. ...

    Text Solution

    |

  13. An a.c. consists of a resistor of 10W, inductor of 0.1 H and capacitor...

    Text Solution

    |

  14. An A.C. circuit consists of inductor of inductance 125 mH connected in...

    Text Solution

    |

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

    Text Solution

    |

  16. The frequency of ac mainsin India is

    Text Solution

    |

  17. The peak value of 220 volts of ac mainsis

    Text Solution

    |

  18. If a current I given by Io sin (omega-pi/2) flowsin an ac circuit acro...

    Text Solution

    |

  19. In an ac circuit, the current is given by I = 5sin ( 100t-pi/2)and the...

    Text Solution

    |

  20. The frequency of an alternating voltage is 50 cycles//sec and its ampl...

    Text Solution

    |