The errors leading to the discrepancies between q-value

[Jessica6182]

I operated an experiment to find out the Q-factor of the LCR circuit. I worked out the q-value using three methods:

1. Q=1/R*sqr(L/C) where R=the total resistance of the circuit>>Q= 14.98

2. Q= Vc/Vr where Vc is the voltage across the capacitor and Vr is the voltage across the total resistance>> Q= 13.4-15.44

3. Q= Fr/(F1-F2) where Fr is the resonant F1,F2 are the frequencies when the voltage across the resistor falls to 1/sqr2 of its max.>> Q=7.5-23.1

Unluckily, there are discrepancies between the values found. I want to know what the errors are leading to the discrepancies

 

[NateD]

.The errors that are leading to the discrepancies could be due to a number of factors including: 1. The accuracy of the components used in the circuit. If any of the components have an incorrect value, it will affect the Q-factor calculation. 2. The accuracy of the measurements taken. If any of the measurements like voltage, frequency, or resistance are not taken accurately, it could lead to inaccurate results. 3. The accuracy of the method used. Different methods of calculating the Q-factor can have different levels of accuracy and can lead to different results. 4. The environment in which the experiment is conducted. External factors such as temperature, humidity, and electromagnetic fields can influence the results of the experiment.