Home
Class 12
PHYSICS
Power consumed in an AC circuit is zero ...

Power consumed in an AC circuit is zero if it is purely

A

resistive circuit

B

inductive circuit

C

capacitive circuit

D

Both 'b' and 'c'

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    NIKITA PUBLICATION|Exercise MCQ|314 Videos
  • ELECTRONS AND PHOTONS

    NIKITA PUBLICATION|Exercise MCQs|162 Videos

Similar Questions

Explore conceptually related problems

Power consumed in an AC circuit becomes zero if

Assertion:- Average power consumed in an accircuit is equal to average power consumed by resistors in the circuit. Reason:- Average power consumed by capacitor and inductor in zero.

Assertion (A) : The power consumed in an electric circuit is never negative Reason (R ) : The aveage power consumed in an electric circuit is P = (V^(2))/(R ) = I^(2) R

What is the average power consumed in a circuit consisting of resistanceless inductiance ?

Does it imply that power dissipated in an a.c. circuit is zero at resonance ?

A resistor and a capacitor are connected to an ac supply of 200 V, 50 Hz, in series. The current in the circuit is 2A. If the power consumed in the circuit is 100 W then the resistance in the circuit is

A resistor and an inductor are connected to an ac supply of 120 V and 50 Hz, the current in the circuit is 3 A. If the power consumed in the circuit is 108 W, then the resistance in the circuit is

In an AC circuit, the power factor

NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
  1. When the frequency of AC is doubled, the impedance of an LCR, circuit ...

    Text Solution

    |

  2. The average power dissipated in an AC circuit containing a resistance ...

    Text Solution

    |

  3. Power consumed in an AC circuit is zero if it is purely

    Text Solution

    |

  4. The term cosphi in an AC circuit is called

    Text Solution

    |

  5. The ratio of tru epower to apparent power, is

    Text Solution

    |

  6. The product e(rms)I(rms) is called as

    Text Solution

    |

  7. The power factor in the circuit is unity, when the circuit contains an...

    Text Solution

    |

  8. Power in an AC circuit is rated per second at which

    Text Solution

    |

  9. In an AC circuit, the electrical energy is consumed in

    Text Solution

    |

  10. The average power in LCR series circuit is

    Text Solution

    |

  11. For purely reactive circuit containing only L or C, power factor is

    Text Solution

    |

  12. An inductor of 0.5 H is connected across a 100 V, 50 Hz supply. The re...

    Text Solution

    |

  13. An inductance of 100 mH and a resistance of 100 Omega are connected in...

    Text Solution

    |

  14. A resistance of 50Omega is connected in series with a 10 muF capacitan...

    Text Solution

    |

  15. A capacitor of capacitive reactance 79.62 Omega and a resistance of 10...

    Text Solution

    |

  16. An inductance of 0.5 H, a capacitance of 1muF and a resistance of 100 ...

    Text Solution

    |

  17. The current flowing through a circuit of resistance 109Omega and an in...

    Text Solution

    |

  18. In an LCR circuit, inductive reactance and capacitive reactance was fo...

    Text Solution

    |

  19. In an AC circuit, the current is given by i=5sin(100t-(pi)/2) and the ...

    Text Solution

    |

  20. A 100 W 200 V bulb is connected to a 160 V power supply. The power con...

    Text Solution

    |