Home
Class 12
PHYSICS
In a series LCR circuit XL = 10 ohm, XC ...

In a series LCR circuit `X_L = 10 ohm`, `X_C` = 4 ohm and R = 4 ohm. Find power factor.

A

2

B

`2/sqrt(13)`

C

`sqrt(2)`

D

`1/sqrt(2)`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise SECTION-A|80 Videos
  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise SECTION-B|40 Videos
  • JEE MAIN

    JEE MAINS PREVIOUS YEAR|Exercise All Questions|473 Videos
  • JEE MAIN 2022

    JEE MAINS PREVIOUS YEAR|Exercise Question|492 Videos

Similar Questions

Explore conceptually related problems

In a series R, L, C circuit X_(L)=10Omega, X_(c) = 4omega and R = 6Omega . Find the power factor of the circuit

A series LCR circuit having L = 10 mH , C = (400//pi^(2)) mu F and R = 55 ohm is connected to 220 v variable frequency a.c. supply. (i) Find frequency of source, for which average power absorbed by the circuit is maximum (ii) Calculate the amplitude of current.

Obtain the resonant frequency (omega_(r)) of a series LCR circuit withL = 2.0 H, C = 32 muF and R = 10 ohm. What is the Q value of this circuit ?

A series LCR circuit with L = 80 mH, C = 50 mu F and R = 60 ohm is connected to a variable frequency 220 V source. Determine (i) the source frequency which drives the circuitin resonance (iii) the quality factor Q of the circuit.

A series LCR circuit with r = 10 ohm, L = 2 H and C = 25 mu F is connected to a varialbe frequency 200 V a.c. supply. When the frequency of the supply equals the natural frequency of the circuit, what is the average power transferred to the circuit in one complete cycle ?

In a series LCR circuit, V_(L) = V_(C ) != V_(R ) . What is the value of power factor ?

A sinusoidal voltage of peak value 250 V is applied to a series LCR circuit, in which R= 8 ohm L = 24 mH and C = 60 mu F. The value of power dissipated at resonant condition is 'x' kW. The value of x to the nearest integer is "_________"

In series LCR circuit 3 = Omega X_(L) = 8 Omega, X_(C) = 4 Omega , the impendance of the circuit is:

Obtain the resonant frequency and Q factor of a series LCR circuit with L = 3.0 H, C = 27 mu F and R = 7.4 ohm.

JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B
  1. In a series LCR circuit XL = 10 ohm, XC = 4 ohm and R = 4 ohm. Find po...

    Text Solution

    |

  2. A ball of mass 10 kg moving with a velocity 10sqrt3 m//s along the x-...

    Text Solution

    |

  3. As shown in the figure, a particle of mass 10 kg is placed at a point ...

    Text Solution

    |

  4. A particle performs simple harmonic motion with a period of 2 second. ...

    Text Solution

    |

  5. The voltage across the 10 resistor in the given circuit is x volt. ...

    Text Solution

    |

  6. A bullet of mass 0.1 kg is fired on a wooden block to pierce through i...

    Text Solution

    |

  7. Two separate wires A and B are stretched by 2 mm and 4 mm respectively...

    Text Solution

    |

  8. A parallel plate capacitor has plate area 100 m^2 and plate separation...

    Text Solution

    |

  9. The circuit shown in the figure consists of a charged capacitor of cap...

    Text Solution

    |

  10. An npn transistor operates as a common emitter amplifier with a power ...

    Text Solution

    |

  11. A person is swimming with a speed of 10 m/s at an angle of 120° with t...

    Text Solution

    |

  12. A body of mass 2 kg moves under a force of (2hati +3hatj +5hatk) N. It...

    Text Solution

    |

  13. A solid disc of radius 'a' and mass 'm' rolls down without slipping on...

    Text Solution

    |

  14. The energy dissipated by a resistor is 10 mj in 1 s when an electric c...

    Text Solution

    |

  15. For an ideal heat engine, the temperature of the source is 127^(@)C. I...

    Text Solution

    |

  16. In a parallel plate capacitor set up, the plate area of capacitor is 2...

    Text Solution

    |

  17. A deviation of 2^(@) is produced in the yellow ray when prism of crown...

    Text Solution

    |

  18. If one wants to remove all the mass of the earth to infinity in order ...

    Text Solution

    |

  19. A force vecF=4hati+3hatj+4hatk is applied on an intersection point of ...

    Text Solution

    |

  20. A closed organ pipe of length L and an open organ pipe contain gases o...

    Text Solution

    |

  21. A swimmer can swim with velocity of 12 km/h in still water. Water flow...

    Text Solution

    |