Home
Class 12
PHYSICS
In L-C-R circuit power factor at resonan...

In L-C-R circuit power factor at resonance is

A

less than one

B

greater than one

C

unity

D

Can't predicted

Text Solution

Verified by Experts

The correct Answer is:
C
In L-C-R circuit power factor at resonance in unity.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Example 30|1 Videos

  • ELASTICITY

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET CORNER|16 Videos

  • ELECTRONS AND PROTONS

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET CORNER|19 Videos

Similar Questions

Explore conceptually related problems

In L-C-R circuit powr factor at resonance is

For a series L C R circuit, the power loss at resonance is

A series L-C-R circuit is operated at resonance . Then

In a series resonant L-C-R circuit, the power factor is

The potential differences across the resistance, capacitance and inductance are 80 V, 40 V and 100 V respectively in an L-C-R circuit. The power factor of this circuit is

The potential defferences across the resistance capacitance and indutance are 80 V, 40 V and 100 V respectively in an L-C-R circuit. The power factor of this circuit is

The potential differences across the resistance, capacitance and inductance are 80V , 40V and 100V respectively in an L-C-R circuit. The power factor of this circuit is

Assertion: At resonance, power factor of series L-C-R circuit is zero. Reason: At resonance, current function and voltage functions are in same phase.

LCR Circuit| Power Factor| Power | Resonance and Properties of LCR circuit

In the given circuit, power factor between A and B is 0.5 and over all power factor of the circuit is 1. Find the value of Rand L

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELECTROMAGNETIC INDUCTION-MHT CET CONER
  1. Two coils of self-inductance L(1) and L(2) are placed closed to each o...

    Text Solution

    |

  2. What will be the self inductance of a coid of 100 turns if a current o...

    Text Solution

    |

  3. In L-C-R circuit power factor at resonance is

    Text Solution

    |

  4. In a LR circuit of 3 mH dinductance and 4 Omega resistance, emf E=4cos...

    Text Solution

    |

  5. Average power in the L-C-R circuit depends upon

    Text Solution

    |

  6. When a current of 2 A is passed through a coil of 100 turns , flux ass...

    Text Solution

    |

  7. When a rod of length l is rotated with angular velocity of omega in a ...

    Text Solution

    |

  8. Same current is flowing in two alternating circuits. The first circuit...

    Text Solution

    |

  9. In an AC circuit, the instantaneous values of e.m.f and current are e...

    Text Solution

    |

  10. An alternating voltage E=200sqrt(2)sin(100t) is connected to a 1 micro...

    Text Solution

    |

  11. What is the value of inductance L for which the current is a maximum i...

    Text Solution

    |

  12. A transformer is used to light a 100 W and 110 V lamp from a 220V main...

    Text Solution

    |

  13. In any AC circuit the emf (e) and the current (i) at any instant are g...

    Text Solution

    |

  14. If coil is opened, then L and R become

    Text Solution

    |

  15. In a circuit, the current lags behind the voltage by a phase differenc...

    Text Solution

    |

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

    Text Solution

    |

  17. In an ac circuit, the current lags behind the voltage by pi//3. The co...

    Text Solution

    |

  18. In an RLC circuit, capacitance is changed from C to 2C. For the resona...

    Text Solution

    |

  19. The flux associated with coil changes from 1.35 Wb to 0.79 Wb within (...

    Text Solution

    |

  20. In the induction coil, across secondary coil the output voltage is pra...

    Text Solution

    |