Home
Class 12
PHYSICS
What is meant by resonance in a series L...

What is meant by resonance in a series LCR circuit? Write the expression for the current through LCR series circuit at resonance. Mention any one application of resonant circuits.

Text Solution

Verified by Experts

In a series LCR circuit for a particular frequency of the applied a.c. the current in the circuit becomes maximum. This is known as electrical resonance.
At resonance, inductive reactance `(X_(L))` = capacitive reactanmce `(X_(C))`
`rArr omega_(0)L = (1)/(omega_(0)C)`
Thus resonant angular frequency
`omega_(0) = (1)/(sqrt(LC))`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ALTERNATING CURRENT

    OSWAAL PUBLICATION|Exercise Topic - 2 (Long answer Type Questions)|4 Videos

  • ALTERNATING CURRENT

    OSWAAL PUBLICATION|Exercise Topic - 2 (Numerical Problem)|11 Videos

  • ALTERNATING CURRENT

    OSWAAL PUBLICATION|Exercise Topic - 2 (Short Answer Type Questions -I)|3 Videos

  • 2020 Solved Paper I

    OSWAAL PUBLICATION|Exercise Exercise|41 Videos

  • ATOMS

    OSWAAL PUBLICATION|Exercise NUMERICAL PROBLEMS|11 Videos

Similar Questions

Explore conceptually related problems

In the LCR circuit at resonance

What is resonance in a series LCR circuit ? Derive the expression for resonant angular frequency .

Knowledge Check

  • In an LCR circuit, at resonance

    A
    the impedence is maximum
    B
    the current leads the voltage by `pi//2`
    C
    the current and voltage are in phase
    D
    the current is minimum

  • In the series LCR circuit , the power dissipation is through

    A
    R
    B
    L
    C
    C
    D
    both L and C

    • Similar Questions

    Explore conceptually related problems

    What is resonance in series LCR circuit? Derive the expression for resonant angular frequency.

    Power factor of a series LCR circuit is

    Write the condition for resonance of series LCR circuit.

    Write the condition for series LCR circuit to be at resonance.

    Write the condition for .resonance. of series LCR circuit.

    Give an expression for an ac driven series RLC circuit.

    Home
    Profile