Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Q3 Show the calculation and steps please
Q2. The switch in the circuit shown in Figure 3 has been closed for a very long time and is
opened at t=0.
(a) Calculate the initial value of i.
(b) Calculate the initial energy stored in the inductor.
(c) What is the time constant of the circuit for t > 0?
(d) What is the numerical expression for i(t) for t > 0?
(e) What percentage of the initial energy stored has been dissipated in the 22 resistor 5 ms
after the switch has been opened?
3Ω
6Ω
120 V
30 2
38 mH 20
Figure 3
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Transcribed Image Text:Q2. The switch in the circuit shown in Figure 3 has been closed for a very long time and is opened at t=0. (a) Calculate the initial value of i. (b) Calculate the initial energy stored in the inductor. (c) What is the time constant of the circuit for t > 0? (d) What is the numerical expression for i(t) for t > 0? (e) What percentage of the initial energy stored has been dissipated in the 22 resistor 5 ms after the switch has been opened? 3Ω 6Ω 120 V 30 2 38 mH 20 Figure 3
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