A fascinating behaviour of the series RLC circuit is the phenomenon of resonance. a. Explain Resonance in an LCR circuit. b. Draw a graphical representation of variation of current amplitude in with frequency w. c. What do you mean by sharpness of resonance? Explain it.
Topper's Solved these Questions
ALTERNATING CURRENT
NEW JOYTHI PUBLICATION|Exercise OBJECTIVE TYPE QUESTION|7 Videos
ALTERNATING CURRENT
NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION ( ASSIGNMENT)|5 Videos
ATOMS
NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|5 Videos
Similar Questions
Explore conceptually related problems
What do you mean by resonant frequency?
What is resonant frequency in LCR circuit?
When the frequency of the AC source in an LCR circuit equals the resonant frequency, the reactance of the circuit is zero. Does it mean that there is no current through the inductor or the capacitor?
In LCR circuit when X_(L)=X_(C) (at resonance) the current ……… .
A series LCR circuit with L = 0.12 H, C = 480 nF, R = 23Omega is connected to a 230 V variable frequency supply. a. What is the source frequency for which current amplitude is maximum? Obtain this maximum value. b. What is the source frequency for which average power absorbed by the circuit is maximum? Obtain the value of this maximum power. c. For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? What is the current amplitude at these frequencies? d. What is the Q-factor of the given circuit?
Figure shows a series LCR circuit connected to a variable frequency 230 V source. L = 5.0 H, C = 80 muF, R= 40Omega a. Determine the source frequency which drives the circuit in resonance b. Obtain the impedance of the circuit and the amplitude of current at the resonating frequency. c. Determine the rms potential drops across the three elements of the circuit. Show that the potential drop across the LC combination is zero at the rasonating frequency .
NEW JOYTHI PUBLICATION-ALTERNATING CURRENT -PREVIOUS YEAR QUESTIONS
