Home
Class 12
PHYSICS
A voltage V0sinomegat is applied across ...

A voltage `V_0sinomegat` is applied across a series combination of resistance R and inductor L. The peak value of the current in the circuit is

A

`V_0/(sqrt(R^2+omega^2L^2))`

B

`V_0/(sqrt(R^2-omega^2L^2))`

C

`V_0/(sqrt(R^2+omega^2L^2))sinomegat`

D

`V_0/R`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise EXERCISE (Very Short Answer Type)|35 Videos

  • ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type-I)|18 Videos

  • ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise NCERT TEXTBOOK QUESTIONS WITH ANSWER HINT (MCQ-2)|4 Videos

  • CHHAYA PUBLICATION|Exercise EXAMPLE|1 Videos

  • ATOM

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|18 Videos

Similar Questions

Explore conceptually related problems

An ac voltage e=E_0sinomegat is applied across an ideal inductor of self-inductance [L]. Write down the peak current.

An ac voltage e= E_0 sinomega t is applied across an ideal inductor of slef inductance L. Write down the peak current.

A small signal voltage V(t) = V_0sinomegat is applied across an ideal capacitor C.

A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Omega resistance. Calculate the rms value of the current

With a series combination of 1 Omega and 2 Omega resistances another series combination of resistances 5 Omega and 7 Omega cell is joined and the main current of the circuit becomes 0.5 A.What is the terminal potential differences across the 1 Omega resistances?

An ac source e=E_0sinomegat is applied across an ideal inductor of inductance L. Show mathematically that the current lags the voltage by a phase angle of pi/2 .

A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Omega resistance. Calculate the rms value of the voltage

An alternating voltage E=E_0sinomegat is applied across an inductor L. Show by calculation that the current lags the voltage by a phase angle pi//2 (Assume inductor L has no resistance).

An emf of V= V_0sin omegat is applied on a series LCR circuit. IF there is no phase difference between the voltage and current then,

A potential difference V is applied across a parallel combination of n identical capacitors. Then they are connected in series in such a way that no loss of charge takes place. Now what is the potential difference across this combination?

CHHAYA PUBLICATION-ALTERNATING CURRENT -EXERCISE (Multiple Choice Question)
  1. The reactance of an inductor of inductance 1/piH at frequency 50 Hz is

    Text Solution

    |

  2. Which quantity in an ac circuit is not dependent on frequency?

    Text Solution

    |

  3. The condition of getting maximum current in an LCR series circuit is

    Text Solution

    |

  4. The series resonant frequency of an LCR circuit is f. IF the capacitan...

    Text Solution

    |

  5. A coil has resistance 30 Omega and inductive reactance 20 Omega at 50 ...

    Text Solution

    |

  6. A fully charged capacitor C with initial charge q0 is connected to a ...

    Text Solution

    |

  7. A voltage V0sinomegat is applied across a series combination of resist...

    Text Solution

    |

  8. When an ideal choke is connected to an ac source of 100V and 50Hz, a c...

    Text Solution

    |

  9. In an LCR circuit voltages across R,L and C are 10V,10V and 20V respec...

    Text Solution

    |

  10. In an ac circuit alternating voltage E=200sqrt2 sin 100t volt is conne...

    Text Solution

    |

  11. The power factor of an LR circuit carrying an ac of angular frequency ...

    Text Solution

    |

  12. One of the condions to get a wattless current in an ac circuit is

    Text Solution

    |

  13. If an emf=E=E0cosomegat is applied to a circuit, the current becomes I...

    Text Solution

    |

  14. In an ac circuit , V and I are given by V=100sin(100t)V,and I=100sin (...

    Text Solution

    |

  15. The inductance and capacitance in a closed circuit are 20 mH and 2muF ...

    Text Solution

    |

  16. For an LC oscillator which one of the followings is not true?

    Text Solution

    |

  17. An ideal transformer is used to decrease an alternating voltage from 8...

    Text Solution

    |

  18. The core of any transformer is laminated so as to

    Text Solution

    |

  19. In a non -ideal transformer the primary and secondary voltages and cur...

    Text Solution

    |

  20. The turns ratio of an ideal transformer is 1:n. the input to output po...

    Text Solution

    |