Alternating Current

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Alternating Current RC and LRC Circuits
Lab 7

November 12, 1012
109989- 5:30 PM

Abstract
Within this assay we recorded that the theoretical capacitance of 0.470 is just with the capacitor from box C. The LRC course is proven to have a voltage just with the measured generator voltage on this account that the largest percentage of error , 0.55 % misapprehension, is much lower than 5% sin.

Summary
The idea of the alternating current RC and LRC circuits lab is to enroll the value of a capacitor in some RC circuit by using their phasis relationship in the equation VT2 = VC2 +VR2 to fix a theoretical voltage VT. The theoretical voltage we recorded a highest percent sin of 0.27%, which proves that the voltage transversely the capacitor VC is accurate. Using the capacitor voltage we recorded a capacitance C = (0.470 + 0.0005)F through a 0.71% error from the given capacitance C = 0.437F. Due to such a low percentage error we be able to predict the capacitance recorded to have ~ing accurate.
The second part of the make trial performed consisted of creating an LRC district and recording measurements of the voltages over a 218 or 331 resistor, and a 0.470 F capacitor space of time varying the frequency between 802 Hz and 602 Hz. With the recorded voltages we be possible to determine the voltages across the 79.5 mH inductor, and the inductors resistance of 205. With all four recorded measurements we be able to find the experimental voltage of the LRC sphere with the equation V = ((VL – VC)2 + (VR + Vr)2)1/2. The recorded founded on fact voltages acquired a percent error of ~t any larger than 0.55%, thus proving that the recorded values in the equation by stipulation are accurate with the voltage of the generator equal.

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