Home
Class 12
PHYSICS
When an ac source of emfe=E(0) sin (100 ...

When an ac source of emf`e=E_(0) sin (100 t)` is connected across a circuit, the phase difference between emf e and currnet I in the circuit is observed to be `(pi)//(4)` as shown in fig. If the circuit consists possibly only of R-C or R-C of L-R series, find the relationship find the relationship between the two elements.

A

`R = 1 k Omega, C = 10 mu F`

B

`R = 1 k Omega, C = 1 mu F`

C

`R = 1 k Omega, L = 10 H`

D

`R = k Omega, L = 1 H`

Text Solution

Verified by Experts

The correct Answer is:
1
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

When an ac source of emf e=E_(0)sin(100t) is connected across a circuit,the phase difference between emf e and current i in the circuit is observed to be pi/4 as shown in figure.If the circuit consists possibly only of R-C or R-C or L-R series,find the relationship between the two elements.

When an AC source of emf e=E_(0) sin(100t) is connected across a circuit i in the circuit, the phase difference between the emf e and the current i in the circuit is observed to be (pi//4) , as shown in the diagram. If the circuit consists possibly only of R-C or R-L or L-C in series, find the relationship between the two elements

The phase angle between e.m.f. and current in LCR series ac circuit is

An L-C-R circuit is connected to a source of A.C. current. At resonance, the phase difference between the applied voltage and the current in the circuit, is

The alternating emf of e=e_(0) sin omegat is applied across LR series circuit. The impedance and phase angle between current and voltage is

An alternating potential E=E_(0) sin omega t is applied to a series L-C circuit. What is the phase difference between the voltage across L and C?

An alternating e.m.f. 100 cos 100 t volt is connected in series to a resistance of 10 ohm and inductance 100mH. The phase difference between the current in the circuit and the e.m.f. is

An alternating e.m.f. 100 cos 100 t volt is connected in series to a resistance of 10 ohm and inductance 100mH. The phase difference between the current in the circuit and the e.m.f. is

An alternating e.m.f. e=50sqrt(2) sin(100 t) , its connected to a capacitor C=1 mu F . Then the reading shown by the a.c. ammeter connected in the circuit is

NARAYNA-ALTERNATING CURRENT-C.U.Q
  1. A transformer changes the voltage

    Text Solution

    |

  2. A step up transformer is connected on the primary side to a rechargabl...

    Text Solution

    |

  3. The ratio of primary voltage to secondary voltage in a transformer is ...

    Text Solution

    |

  4. In a step down transformer, the number of turns in the primary is alwa...

    Text Solution

    |

  5. The transformer ratio of a step up transformer is

    Text Solution

    |

  6. A setup transformer develops 440 V in secondary coil for an input of 2...

    Text Solution

    |

  7. Assertion (A) : If changing current is flowing through a machine with ...

    Text Solution

    |

  8. Transformers are used

    Text Solution

    |

  9. The magnitude of the e.m.f. across the secondary of a transformer does...

    Text Solution

    |

  10. For an ideal transformer ratio of output ot the input power is always

    Text Solution

    |

  11. Consider the following two statements A and B and identify the correct...

    Text Solution

    |

  12. Statement (A) : Flux leakage in a transformer can be minimized by wind...

    Text Solution

    |

  13. Statement (A) : In high current low voltage windings of a transformer ...

    Text Solution

    |

  14. Statement (A) : Step up transformer converts low voltage, high current...

    Text Solution

    |

  15. To reduce the iron losses in a transformer, the core must be made of a...

    Text Solution

    |

  16. Maximum efficiency of a transformer depends on

    Text Solution

    |

  17. For an LCR series circuit with an aac source of angular frequency omeg...

    Text Solution

    |

  18. The value of current in tow series LCR circuits at resonance is same, ...

    Text Solution

    |

  19. When an ac source of emfe=E(0) sin (100 t) is connected across a circu...

    Text Solution

    |

  20. An AC voltage source of variable angular frequency (omega) and fixed a...

    Text Solution

    |