week 2 assignment

â€¢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

.