Home
Class 12
PHYSICS
An inductance of 2.0 H, a capacitance of...

An inductance of `2.0 H`, a capacitance of `18 muF` and a resistance of `10 kOmega` are connected to an AC source of `20 V` with adjustable frequency. (a) What frequency should be chosen to maximise the current in the circuit? (b) What is the value of this maximum current?

Text Solution

Verified by Experts

The correct Answer is:
(a)`250/(3pi)Hz`,(b)`2 mA`
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    RESONANCE|Exercise Exercise -2 Part-1|14 Videos

  • ALTERNATING CURRENT

    RESONANCE|Exercise Exercise -2 Part-2|6 Videos

  • ALTERNATING CURRENT

    RESONANCE|Exercise Problem|14 Videos

  • ATOMIC PHYSICS

    RESONANCE|Exercise Advanved level problems|17 Videos

Similar Questions

Explore conceptually related problems

An inductance of 0.5 H, a capacitor of capacitance 10^(-9)F and a resistane of 100Omega are connected in series across AC source of emf 10 V. the current through the circuit at resonance is

An inductor of 200 mH, capacitor of 400 mu F and a resistance of 10 ohm are connected in series to an a.c. source of 50 V of varialbe frequency. Calculate (i) angular frequency at which maximum power dissipation occurs in the circuit and the corresponding value of effective current, and (ii) value of Q factor is the circuit.

An inductor of inductance 2H and a resistance of 10 Omega are connected in series to an ac source of 1109 V, 60 Hz. The current in the circuit will be

An inductor of inductance 2H and a resistance of 10 Omega are connected in sereis to an ac source of 1109 V, 60 Hz. The current in the circuit will be

An inductance of 0.5 H, a capacitance of 1muF and a resistance of 100 Omega are connected in series and a source of A.C. emf of r.m.s. value 20 V and frequency 50 Hz is connected across the combination. The average power consumed over one cycle is

An inductor L, capacitor of 20 mu F and a resistor of 10 Omega are connected in series with 220 V, 50 Hz a.c. supply. If current is in phase with the voltage, calculate the inductance. What is the value of current in the circuit ?

An inductor has a resistance R and inductance L .It is connected to an A.C source of e.m.f E_(v) and angular frequency omega , then the current I_(v) in the circuit is

Find the value of current through an inductance of 2.0 H and negligible resistance, when connected to an a.c. source of 150 V, 50 Hz .

RESONANCE-ALTERNATING CURRENT-Exercise -1 Part-1
  1. An inductor 2//pi Henry, a capacitor 100//T muF and a resistor 75Omega...

    Text Solution

    |

  2. A series circuit consists of a resistance inductance and capacitance.T...

    Text Solution

    |

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

    Text Solution

    |

  4. An inductor-coil , a capacitor and an AC source of rms voltage 24 V ar...

    Text Solution

    |

  5. An electro magnetic wave of wavelength 300 metre can be transmitted by...

    Text Solution

    |

  6. A transformer has 50 turns in the primary and 100 in the secondary. If...

    Text Solution

    |

  7. In a transformer ratio of secondary turns (N(2)) and primary turns (N(...

    Text Solution

    |

  8. r.m.s. value of current i=3+4 sin (omega t+pi//3) is:

    Text Solution

    |

  9. The peak value of an alternating emf E given by E=(E0) cos omega t ...

    Text Solution

    |

  10. The voltage of an AC source varies with time according to the equation...

    Text Solution

    |

  11. An alternating voltage is given by: e = e(1) sin omega t + e(2) cos om...

    Text Solution

    |

  12. An AC voltage is given by E=E(0) sin(2pit)/(T). Then the mean value of...

    Text Solution

    |

  13. An AC voltage of V=220sqrt2 sin (100 pit-pi/2) is applied across a DC ...

    Text Solution

    |

  14. The average power delivered to a series AC circuit is given by (symbol...

    Text Solution

    |

  15. In an LCR circuit the energy is dissipated in

    Text Solution

    |

  16. The potential difference V across and the current I flowing through an...

    Text Solution

    |

  17. A direct current of 2 A and an alternating current having a maximum va...

    Text Solution

    |

  18. A sinusoidal ac current flows through a resistor of resistance R . If ...

    Text Solution

    |

  19. What is the r.m.s. value of an alternating current which when passed t...

    Text Solution

    |

  20. A resistor and a capacitor are connected to an ac supply of 200 V, 50 ...

    Text Solution

    |