
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:O 4.05 V
4.44 V
O 1.4 V
O 0.73 V

Transcribed Image Text:Assume that you have an LRC AC Circuit with one inductor which has an inductance of
L =
81 mH and internal resistance r = 50 described by the LRC Circuit phasor
diagram below.
=
VL
4.05 V
Vc
4.44 V
VR
Vps
Vr
If your AC Power Supply is tuned to a frequency f = 600 Hz and you measure a Power
Supply rms potential Vps = 3.5 V, a capacitor rms potential Vc = 2.4 V, a (real) inductor rms
potential Vind = 4.5 V, and a resistor rms potential VR = 2.1 V, what is the potential across
the inductor's internal resistance, V₁?
VL-VC
Hint: Calculate the angular frequency, w, and the inductor's impedance XL = wL. (Make sure you're in
Ohms!) Then, use the expression from your Lab 8 Handout and Calculation sheet for V₁.
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