Home
Class 12
PHYSICS
In an LCR circuit, the capacitance is ma...

In an LCR circuit, the capacitance is made one-fourth, when in resonance. Then what should be the change in inductance, so that the circuit remains in resonance?

A

4 times

B

1/4 times

C

8 times

D

2 times

Text Solution

Verified by Experts

At resonance `omega L = (1)/(omega C )`
`L prop (1)/(C)`
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    PHYSICS WALLAH|Exercise NEET PAST 5 YEARS QUESTIONS |8 Videos

  • ALTERNATING CURRENT

    PHYSICS WALLAH|Exercise NEET PAST 5 YEARS QUESTIONS |8 Videos

  • CURRENT ELECTRICITY

    PHYSICS WALLAH|Exercise NEET Past 5 Years Questions|23 Videos

Similar Questions

Explore conceptually related problems

In an LCR circuit, the capacitance is made one-third, then what should be change in inductance, so that the circuit remains in resonance ?

In an LCR circuit, at resonance

In LCR circuit during resonance

An LCR Circuit is in reasonance. The capacitance is decreased to 1//4 of its original value. What should be the new inductance so that the circuit remains in resonance?

In series LCR circuit at resonance

In an LCR circuit the capacitance is changed from C to 4C. For the same resonant frequency, the inductance should be changed from L to

In series LCR circuit at resonance,

In series LCR circuit at resonance,

In an LCR circuit, the sharpness of resonance depends on

In an LCR series circuit the capacitance is changed from C to 4C For the same resonant fequency the inductance should be changed from L to .

PHYSICS WALLAH-ALTERNATING CURRENT -LEVEL - 2
  1. A coil of inductance 5.0 mH and negligible resistance is connected to ...

    Text Solution

    |

  2. A 100 volt AC source of angular frequency 500 rad/s is connected to a ...

    Text Solution

    |

  3. A condenser of 10muF and an inductor of 1.2H are connected in series w...

    Text Solution

    |

  4. In an ac circuit the potential differences across an inductance and re...

    Text Solution

    |

  5. A coll has an inductance of (2.2)/(pi)H and is joined m series with a ...

    Text Solution

    |

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

    Text Solution

    |

  7. The impedance of a series circuit consists of 3 ohm resistance and 4 o...

    Text Solution

    |

  8. An electric bulb and a capacitor are connected in series with an AC so...

    Text Solution

    |

  9. In an LCR series circuit the rms voltages across R L and C are found...

    Text Solution

    |

  10. In an LCR circuit, the capacitance is made one-fourth, when in resonan...

    Text Solution

    |

  11. A resistor R, an inductor L and a capacitor C are connected in series ...

    Text Solution

    |

  12. A power transformer (step up) with an 1:8 turns ratio has 60 Hz,120 V ...

    Text Solution

    |

  13. An alternating current is given by I = i1 cos omegat + i2 sin omegat...

    Text Solution

    |

  14. The value of current at half power point is-

    Text Solution

    |

  15. Expressions for emf and current in an A.C. ciruit E = 200 sin 314 t v...

    Text Solution

    |

  16. In a transformer, number of turns in the primary coil are 140 and that...

    Text Solution

    |

  17. In an oscillating LC circuit the maximum charge on the capacitor is Q....

    Text Solution

    |

  18. The self inductance of the motor of an electric fan is 10 H. In order ...

    Text Solution

    |

  19. A coil of resistance 300 Omega and inductance 1.0 henry is connected a...

    Text Solution

    |

  20. An AC source of variable frequency f is connected to an LCR series cir...

    Text Solution

    |