Home
Class 12
PHYSICS
A 130 V 50 Hz AC supply is connected to ...

A 130 V 50 Hz AC supply is connected to a series combination of an inductance of 0.05 /` pi` H and a resistance of 12 `Omega` . Calculate the magnitude of current in the circuit and phase difference between the current and the voltage.

Text Solution

AI Generated Solution

To solve the problem, we will follow these steps: ### Step 1: Calculate the Inductive Reactance (XL) The inductive reactance (XL) can be calculated using the formula: \[ X_L = \omega L \] where \( \omega = 2 \pi f \) and \( f \) is the frequency. ...
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    MODERN PUBLICATION|Exercise PRACTICE PROBLEMS|67 Videos
  • ALTERNATING CURRENT

    MODERN PUBLICATION|Exercise CONCEPTUAL QUESTIONS|25 Videos
  • ATOMS

    MODERN PUBLICATION|Exercise Chapter Practice Test|16 Videos
MODERN PUBLICATION-ALTERNATING CURRENT -CHAPTER PRACTICE TEST
  1. A 130 V 50 Hz AC supply is connected to a series combination of an ind...

    Text Solution

    |

  2. Write the relation between the rms value and peak value of AC.

    Text Solution

    |

  3. Discuss the phase relationship between current and emf in an circuit c...

    Text Solution

    |

  4. In a series LCR circuit, V(L) = V(C ) != V(R ). What is the value of p...

    Text Solution

    |

  5. Why cannot a transformer be used to step up d.c. voltage ?

    Text Solution

    |

  6. Why do we prefer a choke coil to a rhestat in controlling a.c.?

    Text Solution

    |

  7. Why is electrical energy transmitted at high voltage from a distant po...

    Text Solution

    |

  8. A step down transformer converts transmission line voltage from 2200 V...

    Text Solution

    |

  9. The rms value of current in a 50 Hz AC source is 4 A. What will be the...

    Text Solution

    |

  10. An electric heater is connected to DC and AC sources of equal voltage ...

    Text Solution

    |

  11. Under which condition the current will lag behind the voltage? Explain...

    Text Solution

    |

  12. When an ac source is connected to an ideal capacitor, show that the av...

    Text Solution

    |

  13. Show that in the free oscillations of an LC circuit, the sum of energi...

    Text Solution

    |

  14. Can the voltage drop across the inductor or capacitro in a series LCR ...

    Text Solution

    |

  15. An alternating voltage given by V = 240 sin 314 t is connected across ...

    Text Solution

    |

  16. What is power factor of an LCR circuit ? Explain on the basis of power...

    Text Solution

    |

  17. (a) In a series LCR circuit connected across an AC source of varible f...

    Text Solution

    |