The switch in the circuit in Fig. P7.2 has been closedfor a long time. At t = 0 it is opened.a) Write the expression for i,(t) fort ≥ 0.b) Write the expression for vo(t) for t≥ 0+.Figure P7.2t=020 Ω50 Ω302www+50 V75 Ω30.02 Η 360 Ω Σ 15 ΩH+

This circuit is combination of Resistance and inductance element. Inductor act as short circuit…

Answered: The switch in the circuit in Fig. P7.2…

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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In the circuit in Fig. P7.78, switch 1 has been in posi- tion a and switch 2 has been closed for a long time. At t = 0, switch 1 moves instantaneously to position b. Two hundred microseconds later, switch 2 opens, remains open for 600 µs, and then recloses. Find vo 1 ms after switch 1 makes contact with terminal b. Figure P7.78 10 V 5 ΚΩ a 1 Vo b 5 ΚΩ t=0 0+ 0.2ms 25 nF 10 ΚΩ 0+ 0.8 ms Σ 30 ΚΩ T a C a b C Fi
7. 7.7 PSPICEMULTISIM The switch in the circuit has beenclosed for a long time. At t=0 it is opened.2. b) Write the expression for vo(t) for t≥0+.
For the underdamped circuit shown in Fig. P7.110, determine the voltage v(t) if the initial conditions on the storage elements are iL (0) = 4 A and vc(0) = 20 V. i₁(0) 2 H + 0(0) Σ5Ω Figure P7.110 v(t) = e 2t[20cos(4t) - 120sin(4t)] V v(t) = e4[cos(2t) + 120sin(2t)] V v(t) = e4[120cos(2t) - 20sin(2t)] V v(t) = e4[20cos(2t) - 120sin(2t)] V 40 + D(0)
Find vo(t) for t>0 in the circuit in Fig. P7.113 and plot the response, including the time interval just prior to closing the switch. 3A Figure P7.113 1Ω (160/7) te^(10t) V, t>0 4.8te^(-6t) V, t>0 1.666 e-3.6t cos(4.8t) V, t>0 1.666 e 3.6t sin(4.8t) V, t>0 202 6Ω 5/12 H t = 0 HH 30 5/12 H + 4N { vo(t)
7.38 The switch in the circuit shown in Fig. P7.38 has been in position a for a long time before moving to position b at t = 0. and PSPICE MULTISIM a) Find the numerical expressions for i(t) and vo(t) for t 2 0. the b) Find the numerical values of vi (0) and v.(0*). VL Figure P7.38 12 0 5 mH by va + VL t = 0 32 V Vo 6 A
7.23 The switch in the circuit in Fig. P7.23 has been in the left position for a long time. Att = 0 it moves to the right position and stays there. a) Write the expression for the capacitor voltage, v(t), for t≥ 0. b) Write the expression for the current through the 40 k resistor, i(t), for t≥ 0+. Figure P7.23 120 V 5 ΚΩ w 40 ΚΩ w i + 10 ΚΩ Σ ν t=0 160 nF 325 ΚΩ 10 ΚΩ -
7.1. Express h(t) in terms of the singularity functions. Present all the development. h(t) = i(t) = = 0, 4, 6-t, 0, 0, -10, 10, 0, t 6 t 5 (1) (2)
Solve the following first and second-order transient circuits:
PSPICE The switch in the circuit in Fig. P 7.30has been open for a long time. At t = 0 MULTISIM the switch is closed. Figure P7.3 1 = 0 12 V 31 н a. Determine i, (0) and i,(0). b. Determine i, (t) for t > 0. c. How many milliseconds after the switch has been closed will i, equal 5 A?
Find the time constant, t, of the output current, i, (t), given the circuit in Fig. P7.7. Given R1 = 8 k0, R2 = 7 k0, R3 = 8 kQ, R4 = 11 k0, and C= 156 µF. CμF 6 V R1 kn ww Figure P7.7 Notes on entering solution: R2 k i,(1) Enter your solution in seconds Enter your solution to 2 decimal points Do not include units in your answer ex. 5 seconds is entered as 5.00 R3 ΚΩ M 1=0 SR4k

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The switch in the circuit in Fig. P7.2 has been closed for a long time. At t = 0 it is opened. a) Write the expression for i,(t) fort ≥ 0. b) Write the expression for vo(t) for t≥ 0+. Figure P7.2 t=0 20 Ω 50 Ω 302 w w w io 50 V 75 Ω Vo 30.02 Η 360 Ω Σ 15 Ω +1