Principles and Applications of Electrical Engineering
6th Edition
ISBN: 9780073529592
Author: Giorgio Rizzoni Professor of Mechanical Engineering, James A. Kearns Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 5, Problem 5.49HP
In the circuit in Figure P5.49, how long after the switch is thrown at
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B Determine the voltage across the inductor just
before and just after the switch is changed in Figure
P5.38. Assume steady-state conditions exist for t < 0.
Vs = 12 V
Rs = 0.24 2
R = 33 k2
L = 100 mH
t= 0
Rs
+ EI
=7 Determine the current through the capacitor just
before and just after the switch is closed in Figure
P5.37. Assume steady-state conditions for t < 0.
V = 12 V
C = 150 µF
R = 400 m2
R2 = 2.2 k2
t = 0
R1
+ SI
+)
Determine v(t), the voltage across the 40 ohm resistor in the circuit in Figure P 5.3-7
Chapter 5 Solutions
Principles and Applications of Electrical Engineering
Ch. 5 - Write the differential equations fort t0 for iL...Ch. 5 - Write the differential equation fort t0 for vc in...Ch. 5 - Write the differential equation fort t0 for iC in...Ch. 5 - Write the differential equation for t0 for iL in...Ch. 5 - Write the differential equation for t0 for vc in...Ch. 5 - Write the differential equations for t0 for iC and...Ch. 5 - Prob. 5.7HPCh. 5 - Write the differential equation for t0 for iC in...Ch. 5 - Write the differential equation for t0 for iL in...Ch. 5 - Write the differential equations for: t0 for iL...
Ch. 5 - Determine the initial and final conditions on iL...Ch. 5 - Determine the initial and final conditions on vc...Ch. 5 - Determine the initial and final conditions on iC...Ch. 5 - Determine the initial and final conditions on iL...Ch. 5 - Determine the initial and final conditions on vc...Ch. 5 - Determine the initial and final conditions on iC...Ch. 5 - Determine the initial and final conditions on vC...Ch. 5 - Prob. 5.18HPCh. 5 - Prob. 5.19HPCh. 5 - Determine the initial and final conditions on iL...Ch. 5 - At t=0 , just before the switch is opened, the...Ch. 5 - Prob. 5.22HPCh. 5 - Determine the current ic through the capacitor...Ch. 5 - Prob. 5.24HPCh. 5 - Prob. 5.25HPCh. 5 - Assume that steady-state conditions exist in...Ch. 5 - Assume that steady-state conditions exist in the...Ch. 5 - Prob. 5.28HPCh. 5 - Assume that steady-state conditions exist in the...Ch. 5 - Find the Thévenin equivalent network seen by the...Ch. 5 - Prob. 5.31HPCh. 5 - Prob. 5.32HPCh. 5 - Prob. 5.33HPCh. 5 - For t0 , the circuit shown in Figure P5.34 is at...Ch. 5 - The circuit in Figure P5.35 is a simple model of...Ch. 5 - Prob. 5.36HPCh. 5 - Determine the current iC through the capacitor in...Ch. 5 - Determine the voltage vL across the inductor in...Ch. 5 - Prob. 5.39HPCh. 5 - For t0 , the circuit shown in Figure P5.39 is at...Ch. 5 - Prob. 5.41HPCh. 5 - Prob. 5.42HPCh. 5 - Prob. 5.43HPCh. 5 - Prob. 5.44HPCh. 5 - For the circuit shown in Figure P5.41, assume that...Ch. 5 - Prob. 5.46HPCh. 5 - Prob. 5.47HPCh. 5 - For the circuit in Figure P5.47, assume...Ch. 5 - In the circuit in Figure P5.49, how long after the...Ch. 5 - Refer to Figure P5.49 and assume that the switch...Ch. 5 - The circuit in Figure P5.51 includes a...Ch. 5 - At t=0 the switch in the circuit in Figure...Ch. 5 - Prob. 5.53HPCh. 5 - The analogy between electrical and thermal systems...Ch. 5 - The burner and pot of Problem 5.54 can be modeled...Ch. 5 - Prob. 5.56HPCh. 5 - Prob. 5.57HPCh. 5 - Prob. 5.58HPCh. 5 - The circuit in Figure P5.59 models the charging...Ch. 5 - Prob. 5.60HPCh. 5 - In the circuit shown in Figure P5.61:...Ch. 5 - Prob. 5.62HPCh. 5 - If the switch shown in Figure P5.63 is closed at...Ch. 5 - Prob. 5.64HPCh. 5 - Prob. 5.65HPCh. 5 - Prob. 5.66HPCh. 5 - Prob. 5.67HPCh. 5 - Prob. 5.68HPCh. 5 - Assume the switch in the circuit in Figure...Ch. 5 - Prob. 5.70HPCh. 5 - Prob. 5.71HPCh. 5 - Prob. 5.72HPCh. 5 - Prob. 5.73HPCh. 5 - Prob. 5.74HPCh. 5 - Prob. 5.75HPCh. 5 - Prob. 5.76HPCh. 5 - Prob. 5.77HPCh. 5 - Prob. 5.78HPCh. 5 - Prob. 5.79HPCh. 5 - Assume the circuit in Figure P5.80 is in DC steady...Ch. 5 - Prob. 5.81HPCh. 5 - For t0 , determine v in Figure P5.82, assuming DC...
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- 57. The Thévenin equivalent of a two-terminal network is shown in Figure P5.87. The fre- quency is f = 60 Hz. We wish to connect a load across terminals a-b that consists of a resistance and a capacitance in parallel such that the power delivered to the resistance is maximized. Find the value of the resistance and the value of the capacitance. Z, = 10 +j5 Q o a V, = 100/0° V Figure P5.87arrow_forward6 Determine the voltage across the inductor just before and just after the switch is changed in Figure P5.26. Assume steady-state conditions exist for t < 0. Vs = 12 V R, = 0.7 2 R = 22 k2 L= 100 mH 1=0 R, R1arrow_forwardP5.43. Find the complex impedance of the network shown in Figure P5.43 for w=500. Repeat for w= 1000 and w= 2000.arrow_forward
- In the circuit of Figure P5.49, the switch changesposition at t = 0. At what time will the current throughthe inductor be 5 A? Plot iL(t).arrow_forwardDescribe the steady-state similarities and differences of DC and AC circuits with purelyresistive elementsarrow_forwardDetermine the initial and final conditions for thecircuit of Figure P5.49arrow_forward
- The ideal current source in the circuit of FigureP5.60 switches between various current levels, asshown in the graph. Determine and sketch the voltageacross the inductor, vL(t) for t between 0 and 2 s. You may assume that the current source has been at zero for a very long time before t = 0arrow_forwardA capacitor "C", an inductor "L" and a switch "S" are connected in series. When the switch is open, the plate to the left of the capacitor has charge "Qo". The switch is closed the load and current vary sinusoidally with time. Represent graphically the load "Qo" and the intensity of current "I" as a function of time "t", and explain why the current leads the load by a phase difference of 90°.arrow_forwardSolve for the node voltages shown in Figure P5.53. 10/0 (+ 10 2 +j20 2 15 n 1 Figure P5.53 000arrow_forward
- Write the differential equation for t > 0 for thecircuit of Figure P5.34arrow_forward'7 For t> 0, determine for what value of t i = 2.5 A in the circuit of Figure P5.77 if the circuit is in steady state at t = 0-. 2Ω ww 40 V :20 3Ω wwarrow_forwardRefer to Figure P5.11. Find the value of K₁ and K₂ that will result in a step response with a peak value of 1.5 sec. and a settling time of 3 sec. R(s) K₁ 30 s(s+2) K2s C(s)arrow_forward
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