Home
Class 12
PHYSICS
A 220 V, 50 Hz as source is connected to...

A 220 V, 50 Hz as 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

10 A

B

5 A

C

33.3 A

D

3.33 A

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • AC CIRCUITS

    CHETANA PUBLICATION|Exercise Exercise|122 Videos
  • Current Electricity

    CHETANA PUBLICATION|Exercise Exercise|92 Videos

Similar Questions

Explore conceptually related problems

An A.C. e.m.f. of peak 220 V, 50 Hz is connected to an inductance of 253 mH and a resistance of 9 Omega series calculate the impedance of the circuit and the r.m.s. current in the circuit.

An A.C.source of r.m.s. value85V and frequency 50Hz is connected in series with an inductance of 2H and a resistance of 10 Omega . Find the maximum current in the circuit.

An A.C. circuit of maximum e.m.f. 100 volt and of frequency 50 Hz contains an inductance of 0.2 mH. What is the inductive reactance of the circuit? What is the maximum current in the circuit?

An A.C. circuit of peak e.m.f. 200 V and of frequency 50 Hz contains an inductive of 0.1 H and resistance 10 Omega in series. Find the power factor and the power consumed in the circuit

An a.c. series circuit has a source of maximum e.m.f. 220 V at a frequency of 50 Hz connected to a capacitor of 8pF, an inductor of 0.8 H and a non-inductive resistor of 50 Omega . What is the maximum current in the circuit?

In a series resonant circuit, the inductance coil is of 0.2 H and the resistance coil is of 50 Omega . What is the value of capacitance in the circuit for resonance to occur at a frequency of 1500 kHz? The source has an e.m.f. of 100 V r.m.s.?

A coil has an inductance of 0.5H and a resistance of 100 ohm are connected in series to 240v, 50 Hz supply. Calculate:- the maximum current in the circuit.

A resistance of 160 Omega is used in series with an inductance L and an a.c. of 230 V, 50 Hz. If the current in the circuit is 0.25A, find L.

A capacitor of 100 muF, a coil of resistance 50 Omega and an inductance 0.5 H are connected in series with a 110 V-50 HZ source. Calculate the mis value of current in the circuit.

Apure inductor of 25 mHis conneded to a source of 220 V. Given the frequency of the source as 50 Hz, the rms current in the circuit is

CHETANA PUBLICATION-AC CIRCUITS-Exercise
  1. Power factor is maximum in an LCR circuit when

    Text Solution

    |

  2. The capacity of a pure capacitor is1Farad. In DC circuits, its effecti...

    Text Solution

    |

  3. A 220 V, 50 Hz as source is connected to an inductance of 0.2 H and a ...

    Text Solution

    |

  4. For high frequency, a capacitor offers

    Text Solution

    |

  5. In LCR circuit the pd between the terminals of the inductance is 60 V,...

    Text Solution

    |

  6. In a LCR circuit capacitance is changed from C to 2C. For the resonant...

    Text Solution

    |

  7. An oscillator circuit consists of an inductance of 0.5 mH and a capaci...

    Text Solution

    |

  8. Which of the following components of an LCR circuit with ac supply, di...

    Text Solution

    |

  9. The phase difference between the ac and emf is pi/2 . Which of the fol...

    Text Solution

    |

  10. In an A.C. circuit the current

    Text Solution

    |

  11. Acoil of inductive reactance 31 Omegahas a resistance of 8 Omega. It i...

    Text Solution

    |

  12. A light bulb is rated 100 W for a 220 V supply. The resistance of the ...

    Text Solution

    |

  13. A 50 volt a.c. is applied across an RC (series) network. The rms volta...

    Text Solution

    |

  14. Apure inductor of 25 mHis conneded to a source of 220 V. Given the fre...

    Text Solution

    |

  15. If the rms current in a 50 Hz AC rircuit is 5A the value of the curren...

    Text Solution

    |

  16. A resistor of 500 Omega and an indudance of 0.5 H are in series with a...

    Text Solution

    |

  17. Thedisplacement currentisgivenby the expression

    Text Solution

    |

  18. An alternating e.m.f. is given by e = 100 sin 314 t, the time within w...

    Text Solution

    |

  19. A sinusoidal voltage e = 200 sin (100 t) is applied acrossaresistanceo...

    Text Solution

    |

  20. Relation between erms and eois

    Text Solution

    |