The figure shows a series LCR circuit connected to a variable frequency 230 V source.

Question 1

(a) Determine the source frequency which drives the circuit in resonance.

(b) Calculate the impedance of the circuit and amplitude of current at resonance.

(c) Show that potential drop across LC combination is zero at resonating frequency.

Question 2

P.D. across the LC – combination at the resonant frequency

= Applied rms voltage,

= Applied rms voltage, This is because the total potential drop across the LC- combination is zero

kratos · Answer 1 · 2020-06-10T06:00:41+0000

P.D. across the LC – combination at the resonant frequency

= Applied rms voltage,

= Applied rms voltage, This is because the total potential drop across the LC- combination is zero

Please log in or register to add a comment.