Part A - Series RLC Circuit 1st. Get a Q-factor from the measured voltages at resonance; I know the general formula for Q=1/R*sqrt(L/C) L is 4.7 mH and C is 0.01 microF. R is 100 ohm. If I get Q from the general formula, I get Q to be around 6.9. If I try a formula I found online to use voltages at resonance (in this case VC=VL=3.04), I get Q=VC/V. Since V is 1Vrms, I get 1=3.04/sqrt2 which is not near 6.9. Why? How can I calculate Q from the measured voltages? Also, resonancy frequency is 23215 Hz.
Why is there a difference between the values? I assume there were mistakes while doing the experiment, but how can I know which one is more accurate?
Part 2 Series R with parallel LC Values of L and C are the same. R is 100 ohm. Voltage source is 1.5Vrms
1: How do I do a current versus frequency graphic for the parallel circuit? I know that the current entering the parallel must be equal to the one leaving for the series circuit (kirchoff's laws). Should I just get the current at VR and use it as the total current of the circuit?
2: How do I calculate an impedance of LC at resonance?This I really don't know how to do it and found no help online :(
Thank you in advance.