Home
Class 12
PHYSICS
Find the capacity of a capacitor which w...

Find the capacity of a capacitor which when put in series with a `10 Omega` resistor makes the power factor equal to 0.5. Assume an 80 V -100 Hz AC supply.

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 100 mu F capacitor in series with a 40 Omega resistance is connected to a 110 V,60 Hz supply. What is the maximum current in the circuit?

A capacitor of 20 muF is connected in series with a 25 Omega resistance to peak e.m.f. 240 V, 50 Hz A.C. Calculate:-impedance of the circuit

A capacitor of 20 muF is connected in series with a 25 Omega resistance to peak e.m.f. 240 V, 50 Hz A.C. Calculate:-the capacitive reactance of the coil

An A.C. circuit of peak e.m.f. 200 V and of frequency 50 Hz contains an inductive of 0.1 H and resistance 10 Omega in series. Find the power factor and the power consumed in the circuit

An inductance of 0.5 H,a capacitor of capacitance 10^-9 F and a resistance of 100 Omega are connected in series across A.C. source of e.m.f. 10 V.The current through the circuit at resonance is

A resistane of 50 Omega is connected in series with a 10 mu F capacitance and these are connected to a 20V,50Hz a.c. supply . The total impedance is

A 100 mu F capacitor in series with a 40 Omega resistance is connected to a 110 V,60 Hz supply. What is the time lag between the current maximum and the voltage maximum ?

CHETANA PUBLICATION-AC CIRCUITS-Exercise
  1. Find the capacity of a capacitor which when put in series with a 10 Om...

    Text Solution

    |

  2. A LCR series circuit has the impedance of 240 ohm. If R = 120 Omega, f...

    Text Solution

    |

  3. In LCR series circuit a voltmeter is connected in turn acrosstheendsof...

    Text Solution

    |

  4. What inductive reactance will a 1/piH inductor have at the 50 Hz frequ...

    Text Solution

    |

  5. What is the period of a 50 Hz voltage wave?

    Text Solution

    |

  6. An inductor draws 5A of current at 230 V, 50 Hz. Find the value of ind...

    Text Solution

    |

  7. A capacitor draws 10 Aof current at 230 V, 50 Hz. Find the capacitive ...

    Text Solution

    |

  8. A circuit connected to a 200 V supply takes a current of 4.8 A. If the...

    Text Solution

    |

  9. A voltage e = 50 sqrt2 sin 314.0 t volt is applied across a 10 ohm res...

    Text Solution

    |

  10. A voltage e = 50 sqrt2 sin 314.0 t volt is applied across a 10 ohm res...

    Text Solution

    |

  11. A voltage e = 50 sqrt2 sin 314.0 t volt is applied across a 10 ohm res...

    Text Solution

    |

  12. A 2H inductor of negligible resistance is connected to a 50 V, 50 Hz p...

    Text Solution

    |

  13. A 2H inductor of negligible resistance is connected to a 50 V, 50 Hz p...

    Text Solution

    |

  14. A peak value of alternating voltage is 494.97 V. Find reading on voltm...

    Text Solution

    |

  15. In a purely inductive ac circuit L = 25 mH and peak voltage of ac supp...

    Text Solution

    |

  16. An inductor has a reactance of 125.6 Omega at 200 Hz. What is the indu...

    Text Solution

    |

  17. An alternating e.m.f. given by e = 50 sin 314t is applied to a pure re...

    Text Solution

    |

  18. An alternating e.m.f. given by e = 50 sin 314t is applied to a pure re...

    Text Solution

    |

  19. An alternating e.m.f. given by e = 50 sin 314t is applied to a pure re...

    Text Solution

    |

  20. An alternating e.m.f. given by e = 50 sin 314t is applied to a pure re...

    Text Solution

    |

  21. A 60 watt lamp is connected to an alternating e.m.f. of peak value 230...

    Text Solution

    |