RC and RL 28. The switch shown in Fig. 8.65 has been closed for 6 years prior to being flipped open at t= 0. Determine i, v, and vg at t equal to (a) 0; (b) 0*; (c) 1 us; (d) 10 us. I kn 30 mH 1.2 V I kn 3 2 kn IFIGURE 8.65

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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49 19:01 O
Ye 49 39%
Tutorial-07.do...
IFIGURE 17.66
RC and RL
28. The switch shown in Fig. 8.65 has been closed for 6 years prior to being
flipped open at t =0. Determine i., V1, and vg at t equal to (a) 0-; (b) 0:
(c) I µs; (d) 10 µs.
I kn K
t=0
30 mH
1.2 V
I kn E
2 kn 2
IFIGURE 8.65
38. For the circuit shown in Fig. 8.72, determine (a) vɖ0¯); (b) v(0*); (c) the
circuit time constant; (d) v(3 ms).
1=0
3 kn
6 kn
KI>1.5i, c= 1 µF
10 V
IFIGURE 8.72
32. (a) Obtain an expression for v, as labeled in the circuit of Fig. 8.68. (b) Evalu-
ate v, at t = 5 ms. (c) Verify your answer with an appropriate PSpice simula-
tion. (Hint: employ the part named Sw_tClose.)
50
30
t=0
E10 mH 1n
IFIGURE 8.68
()
II
Transcribed Image Text:49 19:01 O Ye 49 39% Tutorial-07.do... IFIGURE 17.66 RC and RL 28. The switch shown in Fig. 8.65 has been closed for 6 years prior to being flipped open at t =0. Determine i., V1, and vg at t equal to (a) 0-; (b) 0: (c) I µs; (d) 10 µs. I kn K t=0 30 mH 1.2 V I kn E 2 kn 2 IFIGURE 8.65 38. For the circuit shown in Fig. 8.72, determine (a) vɖ0¯); (b) v(0*); (c) the circuit time constant; (d) v(3 ms). 1=0 3 kn 6 kn KI>1.5i, c= 1 µF 10 V IFIGURE 8.72 32. (a) Obtain an expression for v, as labeled in the circuit of Fig. 8.68. (b) Evalu- ate v, at t = 5 ms. (c) Verify your answer with an appropriate PSpice simula- tion. (Hint: employ the part named Sw_tClose.) 50 30 t=0 E10 mH 1n IFIGURE 8.68 () II
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