reactive circuit assignment
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EET 1020 Reactive Circuits Quiz #9 (Ch.17) Spring 2016
t. Because the circuit below stores energy in the capacitor and in the magnetic field of the inductor and the
gnergy is simply transferred back and forth on alternate half-cycles, this circuit is commonly called a
Using the circuit below, create a graph of Xr, Xc and Z'vs. frequency. The graph should include frequencies r'rom
500Hztol0kHzin500Hzincremen'ts.YourgraphshouldlooksimilartoFigurelT-16inyouriextbook. This
must loe done digitally with EXCEL or equivalent graphing software. Locate and laloel the resonant frequency on
your graph. Looking at your graph, approximate the value of the resonant frequency/, =
e alculate the resonant frequency using Equation L7-4 from Ch. 17 in your text. /, =
If ihe winding resistance of the coil is I OO f) , calculate the precise resonant frequency
(Equation L7-13). i,=
--rl--l----luerel tIillte rlte uanuwlotn.
Determine the lower critical frequeircy and label this poirrt otl your graph. ,*.t =
Determine the upper critical frequency and label this point on your graph. f., =
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EET 1020 Reactive Circuits Quiz #e (ch. 17) Spring 2016
EXTRA EREDIT:
^E5:r- loacl, draw the parallelequivalent circuit,Given the winding resistance in Step 4 of this quiz and a ---! determine the current in each branch and draw the current phasor.
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