7.5-2 Determine and sketch the inductor current i(t) for t> 0 in the circuit of Fig. P7.5-2.Answer:+e -16t/15 A.5 A4ΩΣ<222i(t)t = 05 H4 ΩFigure P7.5-2

Answered: Image /qna-images/answer/88142d5f-fccc-483b-9a2f-00682bc4144d.jpg

Answered: 7.5-2 Determine and sketch the inductor…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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7.35 Find the input impedance Z of the circuit in Fig. P7.35. 3 Ω 47 - z– j34 elle ΤΩ 6 Ω 8000 :-j2 Ω ΣΩ Figure P7.35: Circuit for Problem 7.35,
Using the step-by-step method, find the value of the output current, io(t), just before the switch closes (at t=0-) for the network in Fig. P7.81. Given lç, 11 mA, R1 = 3 kQ, R2 = 6 kQ, R3 = 6 k0, and R4 = 7 KQ. 1 Is mA R1 ΚΩ Figure P7.81 R3 ΚΩ R2K t = 0 Los i,(1) 2 mH SR4K! Notes on entering solution: • Enter your solution in milliAmps(mA) • Enter your solution to the nearest tenth of a mA . Do not include units in your answer .ex. 5mA is entered as 5.0 2iA
E7.7 Find v(t) for t > 0 in Fig. E7.7 using the step-by-step method. Figure E7.7 24 V 4 ΚΩ 4 ΚΩ ww 1 = 0 6Ω 6ΩΣ 12 V 3ΩΣv(t) +5 MF ANSWER: v(t) = -3.33e-10.06 V.
7.72 In the circuit in Fig. P7.72, switch A has been open PSPICE and switch B has been closed for a long time. At MULTISIM I = 0, switch A closes. Five seconds after switch A closes, switch B opens. Find i (1) for t 2 0. %3D Figure P7.72 50 t = 5s- iL(1) В 10 V A 5 H t =0
Problem 7-4. For the circuit shown in figure P7.4, determine v₁(t), vc(t) and ix(t) for t≥ 0+. Assume that the switch has been in its starting position for a long time before moving at t = 0. 100Ω www 0.3A (1 t = 0 0.5mH 0.2μF + VL(t) Vc(t) 'T' (609)ix
7.79 Find V, in the circuit of Fig. P7.79. j4N 5Ω 5Ω 10 V -j2 0 Vo Figure P7.79: Circuit for Problem 7.79. + )
7.70 Find Z in the circuit of Fig. P7.70, given that Vs and V₁ = 17.22e-j132.2⁰ V. Va √s + j4 Q2 m Z 3Ω ww -j5 Q Figure P7.70: Circuit for Problem 7.70. + = 40 V V a
3. The switch in Fig. P7.65 has been position a for a long time. At t = 0, it moves instantaneously to position b. For t20+, find i.(t), v1(t), v2(t), Vo(t). 2 kN 7.5 kN t = 0 + + 50 V 0.3 µF V1 100 V + Vo 0.9 µF - V2
18. A dc voltage E is applied across an RL circuit at t = 0. At what time after, is the voltage across the resistor equal to that across the inductor? A. 0.693 TC B. 0.673 TC C. 0.707 TC D. 0.779 TC
Question 6 Using the step-by-step method, find the value of the output current, io(t), just before the switch closes (at t=0-) for the network in Fig. P7.81. Given Is,= 18 mA, R1 = 3 kq, R2 = 7 k0, R3 = 4 k0, and R4 = 6 km. Is mA R1 ΚΩ Figure P7.81 R3 ΚΩ R2k 1=0 Lo (1) 2mH Notes on entering solution: • Enter your solution in milliAmps(mA) Enter your solution to the nearest tenth of a mA Do not include units in your answer .ex. 5mA is entered as 5.0 R4k 21A
7.3. For the following circuit, find the mathematical expressions for ic(t) and Vċ(t) in the interval Os ≤ t ≤ 2s and graph them by hand. 10u(t - 0,5) mA ww 5 ΚΩ ww • 10 ΚΩ VC 10 ΚΩ M + ic 15 ΚΩ M 0.1 mF +100u(t-1,5) V
7.76 There is no energy stored in the capacitor in the PSPICE circuit in Fig. P7.76 when switch 1 closes at t = 0. MULTISIM Switch 2 closes 10 microseconds later. Find v.(t) for %3D t2 0. Figure P7.76 16 k2 1 = 0 t = 10 us 20 nF 5 mA 4 k2 30 V

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7.5-2 Determine and sketch the inductor current i(t) for t> 0 in the circuit of Fig. P7.5-2. Answer: +2e-161/15 A. 5 A 4ΩΣ <20 iz(t) t = 0 5 H 4 Ω Figure P7.5-2