Home
Class 12
PHYSICS
A 60 cycle AC circuit has a resistance o...

A 60 cycle AC circuit has a resistance of `200 Omega` and inductance of 10 mH. What is the power factor? What capacitance placed in the circuit will make the power factor unity?

Promotional Banner

Topper's Solved these Questions

  • AC CIRCUITS AND ELECTRIC CIRCUITS

    SL ARORA|Exercise problem|57 Videos

  • ATOMS, NUCLEI AND MOLECULES

    SL ARORA|Exercise Problems For Self Practice|87 Videos

Similar Questions

Explore conceptually related problems

A 60 cycle AC circuit has a resistance of 200 Omega and inductance of 10 mH. What is the power fortor? What capacitance placed in the circuit will make the power factor unity?

A 60 cycle AC, circuit has a resistance of 200 Omega and inductor of 100 mH. What is the power factor? What capacitance placed in the circuit will make the power factor unity?

A circuit has a resistance of 12 Omega and an impedance of 20 Omega . The power factor of the circuit will be

A circuit has a resistance of 12Omega and an impedance of 15Omega . The power factor of the circuit will be

In an AC circuit, the power factor

A circuit has a resistance of 12 ohm and an impendance of 15 ohm. The power factor of the circuit will be

What is the power factor for the circuit shown ?

The power factor of a circuit is

In a series LCR circuit, the total reactance is 4 Omega and resistance is 3 Omega . Its power factor is

Power factor of the circuit is –

SL ARORA-AC CIRCUITS AND ELECTRIC CIRCUITS-problem
  1. An a,c, source of frequency 50 hertz is connected to a 50 mH inductor ...

    Text Solution

    |

  2. A 200km long telegraph wire has capacitance of 0.014 mu F//km If it ca...

    Text Solution

    |

  3. Fig 14.18 shows a series LCR circuit connected to a variable frequency...

    Text Solution

    |

  4. A 100 mH inductor, a 20 muF capacitor and a 10 ohm resistor are connec...

    Text Solution

    |

  5. Compute the resonant frequency and the Q factor of a series LCR circui...

    Text Solution

    |

  6. In the circuit shown in fig. potential diff. across L, C and and R are...

    Text Solution

    |

  7. A 60 cycle AC circuit has a resistance of 200 Omega and inductance of ...

    Text Solution

    |

  8. A transformer has 300 primary turns and 2400 secondary turns: If the p...

    Text Solution

    |

  9. A transformer has 200 primary turns and 150 secondary turns. If the op...

    Text Solution

    |

  10. The turns ratio of a transformer is 12.5. If its primary is connected ...

    Text Solution

    |

  11. A step-up transfomer operates on a 220 volt line and supplies to load,...

    Text Solution

    |

  12. In a stepup transformer, the ratio of number of turns in primary and s...

    Text Solution

    |

  13. Calculate current drawn by primary coil of a transformer, Which steps ...

    Text Solution

    |

  14. The output voltage of an ideal transformer, connected to a 240 V ac. w...

    Text Solution

    |

  15. A step down transformer is used at 220 V to provide a current of 0.5 A...

    Text Solution

    |

  16. A step down transformer converts transmission line voltage from 2200 V...

    Text Solution

    |

  17. The number of turns in the primary and secondary coils of an ideal tra...

    Text Solution

    |

  18. The primary of a transformer has 200 turns and secondary has 1000 turn...

    Text Solution

    |

  19. An a.c generator consists of a coil of 50 turns and area 2.5 m^(2) rot...

    Text Solution

    |

  20. A generator develops an e.m.f. of 120 V and has a terminal potential d...

    Text Solution

    |