Exercise 1 F The circuit in Fig. 8.12 has reached steady state at t = 0. If the make- before-break switch moves to position b at t = 0, calculate i (t) for t > 0. Answer: e-2.5t (5 cos 1.6583t – 7.5378 sin 1.6583t) A. 10 2 ww 1= 0 1(1) 50 V 3 1 H Figure 8.12 For Practice Prob. 8.4.
Exercise 1 F The circuit in Fig. 8.12 has reached steady state at t = 0. If the make- before-break switch moves to position b at t = 0, calculate i (t) for t > 0. Answer: e-2.5t (5 cos 1.6583t – 7.5378 sin 1.6583t) A. 10 2 ww 1= 0 1(1) 50 V 3 1 H Figure 8.12 For Practice Prob. 8.4.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Electric circuits are a network that comprises of a closed-loop, which helps in providing a return path for the current through a switch. When the switch is activated, the load operates, and the current accepts a path to finish the circuit at a low potential level from the opposing high potential level. Electric circuits theory is a linear analysis that helps in establishing a linear relation of voltage and current for R (resistance), L (inductance), and C (capacitance).
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Transcribed Image Text:Exercise 1
The circuit in Fig. 8.12 has reached steady state at t = 0¯. If the make-
before-break switch moves to position b at t = 0, calculate i (t) for t > 0.
Answer: e-2.5t(5 cos 1.6583t – 7.5378 sin 1.6583t) A.
10 Ω
a
ww
1(1)
50 V
Figure 8.12 For Practice Prob. 8.4.
Exercise 2
t= 0
Refer to the circuit in Fig. 8.17. Find v(t) for t > 0.
Answer: 66.67(e¬101 – e-2.5t) V.
2A A
20 Ω
10 н
4 mF
Figure 8.17
For Practice Prob. 8.6.
Exercise 3
Having been in position a for a long time, the switch in Fig. 8.21 is moved
to position b at t = 0. Find v(t) and vr(t) for t > 0.
12
2.5 H
10 2
a
ww
t= 0
'R
12 V
2Ω
10 V
Figure 8.21
For Practice Prob. 8.7.
Answer: 10 – (1.1547 sin 3.464t + 2 cos 3.464t)e¬2 V,
2.31e-2 sin 3.464t V.
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