Home
Class 12
PHYSICS
The emf and current in a circuit are suc...

The emf and current in a circuit are such that `E = E_(0) sin omega t` and `I = I_(0) sin (omega t - theta)`. This `AC` circuit contains

Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    NARAYNA|Exercise Assertion & Reason|14 Videos

  • ALTERNATING CURRENT

    NARAYNA|Exercise LEVEL - I (C.W)|23 Videos

  • ALTERNATING CURRENT

    NARAYNA|Exercise LEVEL - II(H.W)|13 Videos

  • ATOMIC PHYSICS

    NARAYNA|Exercise LEVEL-II (H.W)|14 Videos

Similar Questions

Explore conceptually related problems

The instantaneous values of emf and the current in a series ac circuit are - E = Eo Sin omega t and l = lo sin (omega t + pi //3) respectively, then it is

The voltage and current in an a.c. circuit are given by E = 300 sin (omega t + pi//2) and I = 5 sin omega t . What is power factor of the circuit and power dissipated in each cycle ?

The power dissipated in alternating circuit with voltage e=e_(0) sin omegat and current I=I_(0)sin(omegat-phi) is

Electric field and magnetic filed are given as E = E_(0) sin(omega t-kx) and B = B_0 sin(omega t-kx) then select the correct option

In any AC circuit the emf (e) and the current (i) at any instant are given respectively by e= E_(0)sin omega t i=I_(0) sin (omegat-phi) The average power in the circuit over one cycle of AC is

If i_(1) = i_(0) sin (omega t), i_(2) = i_(0_(2)) sin (omega t + phi) , then i_(3) =

NARAYNA-ALTERNATING CURRENT-C.U.Q
  1. The emf and current in a circuit are such that E = E(0) sin omega t an...

    Text Solution

    |

  2. In an ac circuit the current

    Text Solution

    |

  3. The average emf during the positive half cycle of an ac supply of peak...

    Text Solution

    |

  4. Alternating current is transmitted to distant places at

    Text Solution

    |

  5. In case of a.c circuit, Ohm's law holds good for {:a) Peak values of...

    Text Solution

    |

  6. In case of AC circuits the relation V = iZ, where Z is impedance, can ...

    Text Solution

    |

  7. Alternating current can not be measured by D.C. Ammeter because

    Text Solution

    |

  8. The r.m.s value of Potential due to superposition of given two alterna...

    Text Solution

    |

  9. If the instantaneous current in a circuit is given by i=2cos (omegat-p...

    Text Solution

    |

  10. If a capacitor is connected to two different A.C generators, then the ...

    Text Solution

    |

  11. In general in an alternating current circuit

    Text Solution

    |

  12. The magnitude inducted e.m.f. in an LR circuit at brea of circuit as c...

    Text Solution

    |

  13. The emf and current in a circuit are such that E = E(0) sin omega t an...

    Text Solution

    |

  14. The correct variation of resistance R with frequency f is given by

    Text Solution

    |

  15. Same current is flowing in two alternating circuits. The first circuit...

    Text Solution

    |

  16. When an a.c source is connected across a resistor

    Text Solution

    |

  17. The phase angle between current and voltage in a purely inductive circ...

    Text Solution

    |

  18. Ratio of impedence to capactive reactance has

    Text Solution

    |

  19. An inductor-coil having some resistance is connected to an AC source. ...

    Text Solution

    |

  20. Why the current does not rise immediately in a circuit containing indu...

    Text Solution

    |

  21. In an AC circuit containing only capacitance the current

    Text Solution

    |