Home
Class 12
PHYSICS
An alternating voltage V = V(0) sin omeg...

An alternating voltage `V = V_(0) sin omegat` is applied across a circuit. As a result, a current `I = I_(0) sin (omegat – p/2)` flows in it. The power consumed per cycle is

A

zero

B

`0.5v_(0)l_(0)`

C

`0.707v_(0)l_(0)`

D

`1.414V_(0)l_(0)`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • PRACTICE SET 23

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Paper-1(PHYSICS & CHEMISTRY)|50 Videos

  • RAY OPTICS

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise EXERCISE 2 (MISCELLANEOUS PROBLEMS)|19 Videos

Similar Questions

Explore conceptually related problems

A small signal voltage V(t)=V_(0)sin omegat is applied across an ideal capacitor C :

AC source represented as V = V_(0) sin omega t is applied to a circuit and current I = I_(0) sin (omega t + pi//2) is found to flow through the circuit . What will be average power consumed in the circuit ?

The alternating emf of e=e_(0) sin omegat is applied across capacitor C. the current through the circuit is given by

An alternating voltage E=E_0 sin omega t , is applied across a coil of inductor L. The current flowing through the circuit at any instant is

An alternating voltage is applied across the R-L combination V = 220 sin 120 t and the current I = 4 sin ( 120 t - 60^(@) ) develops. The power consumption is

An alternating voltage is applied across the R-L combination V = 220 sin 120 t and the current I = 4 sin ( 120 t - 60^(@) ) developes. The power consumption is

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 24-Paper 1 (Physics and Chemistry)
  1. Which of the following can cause the null point of a potentiometer to ...

    Text Solution

    |

  2. A bus moving on a level road with a velocity v can be stopped at a dis...

    Text Solution

    |

  3. A block of mass 2 kg is at rest on a floor . The coefficient of static...

    Text Solution

    |

  4. The resistance of a galvanometer is 50 ohm and the current required to...

    Text Solution

    |

  5. A long magnet is cut in two parts in such a way that the ratio of thei...

    Text Solution

    |

  6. Liquids and gases never exhibit

    Text Solution

    |

  7. The initail and final position vectors for a particle are respectively...

    Text Solution

    |

  8. For long distance transmission , the AC is stepped up because at high...

    Text Solution

    |

  9. The inductive reactance of a coil of 0.2 H inductance at a frequecy o...

    Text Solution

    |

  10. An alternating voltage V = V(0) sin omegat is applied across a circuit...

    Text Solution

    |

  11. Find the component of vector A = 2hati + 3 hat j along the direction ...

    Text Solution

    |

  12. The colour of bright fringe nearest central achromatic fringe in the i...

    Text Solution

    |

  13. A parallel beam of monochromatic unpolarised light is incident on a tr...

    Text Solution

    |

  14. A cathode ray tube has a potential difference of V between the cathode...

    Text Solution

    |

  15. The work function of a metal surface is 4.2 eV. The maximum wavelength...

    Text Solution

    |

  16. If the ionization energy for the hydrogen atom is 13.6 eV , the energy...

    Text Solution

    |

  17. An optical fibre communication system works on a wavelength of 1.3xx10...

    Text Solution

    |

  18. The output of OR gate is 1

    Text Solution

    |

  19. In LED visible light is produced by

    Text Solution

    |

  20. A transistor is a/an

    Text Solution

    |