Series RL impedance angle, 0z = tan X!R 90 R-6n Va-6Vp Vy- 10 Vp V - V- 10 V -8Vp 1-1A V- I-6 v (b)

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Discussion
1- Explain why the phasor and the impedance have the same angle.
2- At what condition the following results obtained?
a- Phase angle equal zero
b- The applied voltage leads the current by 90°.
c- The average power equal to zero.
3- In general, how would the phasor diagram of Figure 4.1 change if the
frequency was raised?
4- In general, how would the phasor diagram of Figure 4.2 change if the
frequency was lowered?
Series RL impedance angle, 0z= tanX,!R
90
R-6n (V v-6Vp
Vr- 10 Vp
v.10 V
v-8Vp
1-1A
V- I-6 Vv
(a)
(b)
Fig.4-1 (a) Series circuit diagram, (b) VI phasor diagram
4-1.41 A
(a)
Fig.4-2 (a) Parallel circuit diagram, (b) VI phasor diagram
Transcribed Image Text:Discussion 1- Explain why the phasor and the impedance have the same angle. 2- At what condition the following results obtained? a- Phase angle equal zero b- The applied voltage leads the current by 90°. c- The average power equal to zero. 3- In general, how would the phasor diagram of Figure 4.1 change if the frequency was raised? 4- In general, how would the phasor diagram of Figure 4.2 change if the frequency was lowered? Series RL impedance angle, 0z= tanX,!R 90 R-6n (V v-6Vp Vr- 10 Vp v.10 V v-8Vp 1-1A V- I-6 Vv (a) (b) Fig.4-1 (a) Series circuit diagram, (b) VI phasor diagram 4-1.41 A (a) Fig.4-2 (a) Parallel circuit diagram, (b) VI phasor diagram
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