Home
Class 12
PHYSICS
In an AC circuit , current is 3A and vol...

In an AC circuit , current is `3A` and voltage `210V` and power is `63W`. The power factor is

A

0.11

B

0.09

C

0.08

D

`0.10`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 78

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 83

    NTA MOCK TESTS|Exercise PHYSICS|44 Videos

Similar Questions

Explore conceptually related problems

An AC circuit draws 5A at 160 V and the power consumption is 600 W. Then the power factor is:-

In an AC circuit, the power factor

In an AC circuit with voltage V and current I , the power dissipated is

In an AC circuit, the reactannce is equal to the resistance. The power factor of the circuit will be

In a LR circuit, the AC source has voltage 220V and potential difference across the resistor is 176V .The power factor of the circuit is

In a series LCR, AC circuit, if V_L=800 , V_C=1600 V and applied voltage is 1000V, then power factor is

A generator of 100 V (rms) is connected in an ac circuit and 1 A (rms) current is flowing in the circuit. If the phase difference between the voltage and the current is pi//3 . then the average power consumption and the power factor of the circuit will be –

In an AC circuit , V o , I o and cos θ are voltage amplitude, current amplitude and power factor respectively, the power consumption is

NTA MOCK TESTS-NTA NEET SET 82-PHYSICS
  1. A potentiometer wire 10 long has a resistance of 40Omega. It is connec...

    Text Solution

    |

  2. An a.c. source of angular frequency omega is fed across a resistor R a...

    Text Solution

    |

  3. In an AC circuit , current is 3A and voltage 210V and power is 63W. Th...

    Text Solution

    |

  4. Seven capacitors each of capacitance 2muF are to be connected in a con...

    Text Solution

    |

  5. The net force acting on q0 is

    Text Solution

    |

  6. Mass M is split into two parts m and (M-m), which are then separated b...

    Text Solution

    |

  7. If a new planet is discovered rotating around Sun with the orbital rad...

    Text Solution

    |

  8. An ideal gas is taken through a series of changes , from P1,V1 rarr4P1...

    Text Solution

    |

  9. An ideal gas is expanding such that PT^(2)= constant. The coefficient ...

    Text Solution

    |

  10. If the temperature of sink is at absolute zero, then the efficiency of...

    Text Solution

    |

  11. Two electron beams having velocities in the ratio 1: 2 are subjected t...

    Text Solution

    |

  12. A current I flows along the length of an infinitely long, straight , ...

    Text Solution

    |

  13. When a bar magnet is placed at 90^(@) to a uniform magnetic field, it ...

    Text Solution

    |

  14. A motorboat covers a given distance in 6h moving downstream on a river...

    Text Solution

    |

  15. A particle is moving with velocity vecv = k( y hat(i) + x hat(j)) , w...

    Text Solution

    |

  16. The coefficient of friction between two surface is mu= 0.8. The tensi...

    Text Solution

    |

  17. A block of mass M is resting on a smooth horizontal plane. One end of ...

    Text Solution

    |

  18. The triad of nuclei that is isotonic is

    Text Solution

    |

  19. A sample of {:(131),( 53):} I, as iodine ion, was administered to a pa...

    Text Solution

    |

  20. A particle of mass m is executing osciallations about the origin on th...

    Text Solution

    |