Home
Class 12
PHYSICS
Calculate the value of an inductance, wh...

Calculate the value of an inductance, which should be connected in series with a capacitance of `5muF` resistance of 10 ohm and a.c. source of 50 Hz. So that the power factor of the circuit is unity.

Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENTS

    MODERN PUBLICATION|Exercise EXERCISE|201 Videos
  • CAPACITOR

    MODERN PUBLICATION|Exercise EXAMPLE|262 Videos

Similar Questions

Explore conceptually related problems

A choke of 0.5 henry, a capacitor of 15muF and resistance of 100 ohm are connected in series across 200 volt, 50 hertz main. Find power factor of the circuit.

An inductor 200 mH, capacitor 500muF , resistor 10Omega are connected in series with a 100V, variable frequency a.c. source. Calculate the frequency at which the power factor of the circuit is unity.

A capacitor of capacitance 100mu and a coil of resistance 50Omega and inductance 0:5 henry are connected in series with a source of voltage 110V and frequency 50 hertz. Calculate the current in the circuit.

A capacitor of unknown value and an inductor of 0.1H and a resistor of 10Omega are connectedin series to a 220V, 50Hz ac source. It is foundthat the power factor of circuit is unity.Calculate the capacitance of capacitor and maximum amplitude of current

A 220V-50hz a.c. source is connected to an inductance of 0.2 henry and a resistance of 20 ohm in series What is the current in the circuit?

MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. Calculate the value of an inductance, which should be connected in ser...

    Text Solution

    |

  2. A lamp is connected in series with a capacitor to a high frequency a.c...

    Text Solution

    |

  3. An air core coil and an electric bulb are connected in series across a...

    Text Solution

    |

  4. Answer the following questions: A choke coil in series with a lamp is ...

    Text Solution

    |

  5. A lamp is connected in series with a capacitor. What will happen if d....

    Text Solution

    |

  6. Explain : voltages across L and C in series are 180^(@) out of phase, ...

    Text Solution

    |

  7. The total impedance of a circuit decreases, when a capacitor is added ...

    Text Solution

    |

  8. When an a.. Circuit with a series combination of inductance, capacitan...

    Text Solution

    |

  9. When a capacitor is connected in series LR circuit the alternating cur...

    Text Solution

    |

  10. An alternating voltage of frequency f is applied across LCR circuit. L...

    Text Solution

    |

  11. An alternating voltage of frequency f is applied across LCR circuit. L...

    Text Solution

    |

  12. Give applications of resonance in series LCR circuit.

    Text Solution

    |

  13. An capacitor C, a variable resistor R and a bulb B are connected in se...

    Text Solution

    |

  14. An capacitor C, a variable resistor R and a bulb B are connected in se...

    Text Solution

    |

  15. A capacitor with capacitance C and a coil with active resistance R and...

    Text Solution

    |

  16. An inductor L of inductance X(L) is connected in series with a bulb B ...

    Text Solution

    |

  17. An inductor L of inductance X(L) is connected in series with a bulb B ...

    Text Solution

    |

  18. As shown in figure an electric lamp having coil of negligible inductan...

    Text Solution

    |

  19. As shown in figure an electric lamp having coil of negligible inductan...

    Text Solution

    |

  20. In the circuit shown below R represents an electric bulb. If the frequ...

    Text Solution

    |

  21. Show in the figure, two electric circuits A and B. Calculate the ratio...

    Text Solution

    |