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Find the current i for the elements in Fig. 15.121 using complex algebra

Question # 00177788
Subject: Engineering
Due on: 02/20/2016
Posted On: 01/21/2016 09:45 AM

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week 2 assignment
•Chapter 15, pp. 700-703, Problems: 2, 4a-4c, 16a-16g, 18
2. Find the current i for the elements in Fig. 15.121 using complex algebra. Sketch the
waveforms for υ and i on the same set of axes

4. Calculate the total impedance of the circuits in Fig. 15.123. Express your answer in
rectangular and polar forms, and draw the impedance diagram

16. For the circuit in Fig. 15.135:


a. Determine I, VR, and VC in phasor form.



b. Calculate the total power factor, and indicate whether it is leading or lagging.



c. Calculate the average power delivered to the circuit.



d. Draw the impedance diagram.



e. Draw the phasor diagram of the voltages E, VR, and VC, and the current I.



f. Find the voltages VR and VC using the voltage divider rule, and compare them with the
results of part (a).



g. Draw the equivalent series circuit of the above as far as the total impedance and the
current i are concerned.

18. Find the series element or elements that must be in the enclosed container in Fig. 15.136 to satisfy
the following conditions:



a. Average power to circuit = 300 W.



b. Circuit has a lagging power factor.
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Find the current i for the elements in Fig. 15.121 using complex algebra

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Tutorial Preview …compare xxxx with xxxxxxxxxx of part xxx g Draw xxx equivalent xxxxxx xxxxxxx of xxx above as xxx as the xxxxx impedance xxx xxxxxxxxxx i xxx concerned 18 xxxx the series xxxxxxx or xxxxxxxx xxxx must xx in…
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