Home
Class 12
PHYSICS
An a.c. voltage of 100 V, 50 Hz is conne...

An a.c. voltage of 100 V, 50 Hz is connected across a 20 ohm resistor and 2 mH inductor in series. Calculate ltbr gt (i) impedance of the circuit,
(ii) rms current in the circuit.

Text Solution

AI Generated Solution

To solve the problem step by step, we will calculate the impedance (Z) of the circuit and then find the RMS current (I_RMS) using the given values. ### Step 1: Calculate the inductive reactance (X_L) The inductive reactance (X_L) can be calculated using the formula: \[ X_L = \omega L \] ...
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise JEE Mains Ad..(Multiple Choice Question)|1 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise Multiple Choice Questions|1 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise Value Based Questions|2 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    PRADEEP|Exercise Exercise|191 Videos

  • ELECTROMAGNETIC WAVES

    PRADEEP|Exercise II Focus multiple choice question|5 Videos

Similar Questions

Explore conceptually related problems

A.C. mains of 200 V, 50 Hz is connected to a circuit containing a resistance of 30 ohm and a coil of induction 4//pi henry is series. Calculate the virtual current in the circuit.

A 31.4Omega resistor and 0.1H inductor are connected in series to a 200V, 50Hz ac source. Calculate (i) the current in the circuit

A 10 mu g capacitor is in series with a 50 Omega resistance and the combination is connected to a 220V , 50Hz line. Calculate (i) the capactive reactance, (ii) the impedance of the circuit and (iii) the current in the circuit.

A 44 mH inductor is connected to 220 V, 50 Hz a.c. supply. Determine rms value of current in the circuit.

A 100 mH inductor, a 20 muF capacitor and a 10 ohm resistor are connected in series to a 100 V, 50 Hz a.c. source. Calculate : (i) Inpendance of the circuit at resonance (ii) Current at resonance (iii) Resonant frequency.

A 220 V , 50 Hz ac source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit

A capacitor, resistor of 5 Omega , and an inductor of 50 mH are in series with an a.c. source marked 100 V, 50 Hz . It is found that voltage is in phase with the current. Calculate the capacitance of the capacitor and the impedance of the circuit.

A 220-V, 50 Hz, ac generator is connected to an inductor and a 50 Omega resistance in series. The current in the circuit is 1.0 A . What is the PD across inductor?

PRADEEP-ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT-Exercise
  1. A 80 V - 800 W heater is to be operated on a 100 V - 50 Hz a.c. supply...

    Text Solution

    |

  2. The inductance of a resistance coil is 0.5. henry. How much potential ...

    Text Solution

    |

  3. An a.c. voltage of 100 V, 50 Hz is connected across a 20 ohm resistor ...

    Text Solution

    |

  4. A coil of inductance 0.50H and resistance 100 Omega is connected to a ...

    Text Solution

    |

  5. In a series RC circuit, R = 30 ohm, C = 0.25 mu F, V = 100 V, omega = ...

    Text Solution

    |

  6. A 1 mu F capacitor is connected to a 220 V, 50 Hz a.c. source. Find th...

    Text Solution

    |

  7. When an electric device X is connected to a 220 volt, 50 hertz a.c. su...

    Text Solution

    |

  8. Find the capacity of a condenser to run a 30 Volt, 10 watt lamp when c...

    Text Solution

    |

  9. What will be the impedance of the adjoining circuit, Fig. (i) current ...

    Text Solution

    |

  10. A circuit consists of a 2 mu F capacitor and a resistor of 1 kOmega. A...

    Text Solution

    |

  11. An inductor L, capacitor of 20 mu F and a resistor of 10 Omega are con...

    Text Solution

    |

  12. When a circuit element X is connected across on a.c. source of e.m.f. ...

    Text Solution

    |

  13. Fig. show a series LCR circuit with L = 0.1 H l, X(C ) = 14 Omega and ...

    Text Solution

    |

  14. A 50 mu F capacitor, 0.05 H inductor and 48 Omega resistor are connect...

    Text Solution

    |

  15. A 25 muF capacitor, a 0.1 H inductor and a 25 Omega resistor are conne...

    Text Solution

    |

  16. A 40 ohm resistor, 3 mH inductor and 2 mu F capacitor are connected in...

    Text Solution

    |

  17. A series LCR circuit having L = 10 mH, C = (400//pi^(2)) mu F and R = ...

    Text Solution

    |

  18. A variable frequency 230 V alternating voltage source is connected acr...

    Text Solution

    |

  19. An inductor of inductance 100 mH is connected in series with a resista...

    Text Solution

    |

  20. An inductance of 2.0 H, a capacitance of 18 muF and a resistance of 10...

    Text Solution

    |