In an RLC circuit: At resonance, described the phase relationship of the voltage

Question

In an RLC circuit:
At resonance, described the phase relationship of the voltage and current.
At resonance, describe the relationship between Indictive and Capacitive reactance.
At resonance, which components of the AC circuit contributes most to the total impedance of the circuit?
If the RLC circuit is set for a resonance frequency of 3500Hz, what value should the inductor be set to? In an RLC circuit:
At resonance, described the phase relationship of the voltage and current.
At resonance, describe the relationship between Indictive and Capacitive reactance.
At resonance, which components of the AC circuit contributes most to the total impedance of the circuit?
If the RLC circuit is set for a resonance frequency of 3500Hz, what value should the inductor be set to?
At resonance, described the phase relationship of the voltage and current.
At resonance, describe the relationship between Indictive and Capacitive reactance.
At resonance, which components of the AC circuit contributes most to the total impedance of the circuit?
If the RLC circuit is set for a resonance frequency of 3500Hz, what value should the inductor be set to?

Explanation / Answer

phase phi = atan[(XL-XC)/R]

at resonance XL=XC

then phi = 0

then volatage and current are in same phase

at resonace the inductive reactance = capacitive reactance

impedence is z = Sqrt(R^2+(XL-XC)^2)

at resonance XL=XC

then Z = R

So at resonance Resistance contributes the total impedence of the circuit

at resonance

resonant frequency is fo = 1/2*pi*Sqrt(LC) = 1/(2*3.142*Sqrt(L*C)) = 3500

if we know capaciatnce C only we can know inductance L

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