Home
Class 12
PHYSICS
What is the impedance of a circuit ?...

What is the impedance of a circuit ?

Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENTS

    MODERN PUBLICATION|Exercise EXERCISE|201 Videos

  • CAPACITOR

    MODERN PUBLICATION|Exercise EXAMPLE|262 Videos

Similar Questions

Explore conceptually related problems

An alternating source of e.m.f is applied to an inductor and resistor in series Investigate the phase relationship between current and e.m.f. what is the impedance of the circuit?

What is impedance of circuit at resonance ?

Figure shows a series LCR circuit connected to a variable frequency 230 V source. L = 5.0 H, C = 80 muF , R= 40 Omega . Obtain the impedance of the circuit and the amplitude of current at the resonating frequency. :

A 60muF capacitor, a 0.3H inductor and a 50Omega resistor are connected in series with a 120V-60Hz a.c. source. Calculate the impedance of the circuit and current flowing in the circuit.

An alternating e.m.f. of 110 V is applied to a circuit containing a resistance of 40 ohm and an inductance L, in an agle phi = tan^-1 3//4 . Find the impedance of the circuit

What do you mean by the impedance of LCR-circuit?

A capacitor of capacitance 100mu and a coil of resistance 50 ohm and inductance 0.5 Henry are connected in series with 110 volt and 50 Hz source. Calculate the impedance of the circuit.

MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. An alternating source of e.m.f is applied to an inductor and resistor ...

    Text Solution

    |

  2. What do you mean by inductive reactance, capacitive reactance and impe...

    Text Solution

    |

  3. What is the impedance of a circuit ?

    Text Solution

    |

  4. Derive the expression for the impedance of an a.c. circuit with an ind...

    Text Solution

    |

  5. For the current in LCR circuit to be maximum.

    Text Solution

    |

  6. Derive a relation for the impedance of LCR circuit. What is the relati...

    Text Solution

    |

  7. With the help of phasor diagram derive an expression for impedance in ...

    Text Solution

    |

  8. What do you mean by the impedance of LCR-circuit?

    Text Solution

    |

  9. Define resonant frequency of LCR series circuit.

    Text Solution

    |

  10. Explain the term resonance for a series LCR-circuit. Calculate the res...

    Text Solution

    |

  11. What is a sereis resonant circuit? Derive an expression for resonance ...

    Text Solution

    |

  12. What is the condition of resonance?

    Text Solution

    |

  13. In a series LCR-circuit, what is the value of power factor at resonacn...

    Text Solution

    |

  14. What do you mean by quality factor or Q value of resonance circuit?

    Text Solution

    |

  15. When a lead storage battery is discharged:

    Text Solution

    |

  16. What do you mean by LC oscillations?

    Text Solution

    |

  17. Show that when capacitor is discharged through an inductor the electri...

    Text Solution

    |

  18. For a given a.c., I = I0 sin omegat, show that the average power dissi...

    Text Solution

    |

  19. Show that an ideal inductor does not dissipate power in an ac circuit.

    Text Solution

    |

  20. Prove that in an a.c. circuit, an ideal capacitor does nt dissipate po...

    Text Solution

    |