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ECE 201 - Hw 08 - F11 - Supplemental Solutions

Course: ECE 201, Fall 2011
School: Purdue
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08 HW Supplement - Due Sep 12, 2011 2 35 3 of of 35 5 of 35

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08 HW Supplement - Due Sep 12, 2011 2 35 3 of of 35 5 of 35
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Purdue - ECE - 201
Homework 8Due: Monday, September 121Consider the circuit of Figure 1.(a) Write two node equations in terms of the literal variables in Figure 1 and putthem in matrix form.(b) Solve the node equations for the voltages VA and VB when Is1 = 0.5 A, Is2
Purdue - ECE - 201
Homework 9Due: Wednesday, September 141(a) For the circuit of Figure 1, R1 = 3 k, R2 = 15 k, R3 = 12 k, Is = 100 mAand gm = 1.2 mS. Find I1 and Vx by writing two equations in the two unknowns I1and Vx . The rst equation is the usual loop equation and
Purdue - ECE - 201
Thursday, September 15, 20119:09 AMECE_201_HW_SOLN Page 1ECE_201_HW_SOLN Page 2ECE_201_HW_SOLN Page 3
Purdue - ECE - 201
Homework 10Due: Friday, September 161For the circuit of Figure 1,(a) nd IB in terms of Is1 , Is2 , R1 , R2 , and R3 , and(b) nd VB in terms of Is1 , Is2 , R1 , R2 , and R3 .R1R2R3Figure 1: Model circuits for Problem 1.2Consider the circuit of F
Purdue - ECE - 201
Homework 11Due: Monday, September 191Use a series of source transformations to simplify the circuit of Figure 1 into oneconsisting of a single voltage source in series with a single resistance.161624Figure 1: Model circuit for Problem 1.2Inthe c
Purdue - ECE - 201
(3['itL-\J'S1I()lL4u \~-IOLe+4u-s, (\JA- +\JSZ40t.c+ \J -A +\J 2&gt;'L =-()5\JA-Cf\)-s4u~I\) A\JI -\JSLe:,:.-40le:-\)S2-S-1S~
Purdue - ECE - 201
Homework 12Due: Wednesday, September 211Find the Thevenin and Norton equivalent circuits seen at the terminals A-B for thecircuit depicted in Figure 1.104040Figure 1: Model circuit for Problem 1.2Friday, September 16, 2011In the circuit of Figu
Purdue - ECE - 201
Homework 13Due: Friday, September 231For the circuit shown in Figure 1, nd Norton equivalent circuit.14Figure 1: Model circuit for Problem 1.2Find the Norton and Thevenin equivalents of the circuit of Figure 2.Monday, September 19, 20111122Fi
Purdue - ECE - 201
Homework 14ECE201: Linear Circuit AnalysisDue in class: Monday, September 261. Given a network of resistors, linear dependent sources, and fixed independent sources shownbelow, the following data is obtained in a laboratory:RL [k]32-21V [V]87i
Purdue - ECE - 201
Homework 15ECE201: Linear Circuit AnalysisDue in class: Wednesday, September 281. The time varying current produced by the current source in the circuit is plotted below.a. Plot the voltage VR(t) for 0 &lt; t &lt; 10ms.b. Plot the voltage VL(t) for 0 &lt; t &lt;
Purdue - ECE - 201
Homework 16ECE201: Linear Circuit AnalysisDue in class: Monday, October 3, 20111. The time varying current produced by the current source in the circuit is plotted. Thena. Write the two KCL equations for the circuit as functions of i(t), iC(t), and Vo
Purdue - ECE - 201
Homework 17ECE201: Linear Circuit AnalysisDue in class: Wednesday, October 5, 20111. In the circuits below, find the effective inductances.a. Determine the effective inductance LAB between nodes A and B.b. Determine the effective inductance LCD betwe
Purdue - ECE - 201
Homework 18ECE201: Linear Circuit AnalysisDue in class: Friday, October 7, 20111. The configuration of an RC circuit is given below. Its first order differential equation hasthe form dx/dt + x = 0, where the time constant is = 1/.a. Using KCL, expres
Purdue - ECE - 201
Homework 19ECE201: Linear Circuit AnalysisDue in class: Wednesday, October 12, 20111. The configuration of an RC circuit is given below.a. Find the effective resistance seen by the capacitor.b. Determine the time constant of the RC circuit.c. If V(t
Purdue - ECE - 201
Homework 20ECE201: Linear Circuit AnalysisDue in class: Friday, October 14, 20111. Consider the switches s1 and s2 in the circuit below. At time t = 0-, the voltage on thecapacitor is initially VC(0-) = 30V, and the current through the inductor is iL(
Purdue - ECE - 201
Friday, October 14, 201110:21 PMECE_201_HW_SOLN Page 1ECE_201_HW_SOLN Page 2ECE_201_HW_SOLN Page 3
Purdue - ECE - 201
Homework 21ECE201: Linear Circuit AnalysisDue in class: Monday, October 17, 20111. In the circuit below, C = 1F and R = 2. Determine the following.a.b.c.d.e.f.g.If i(t) = 4u(-t) A, find voltages V4(0-) and V5(0-).If i(t) = 4u(-t) A, find curre
Purdue - ECE - 201
Homework 22ECE201: Linear Circuit AnalysisDue in class: Wednesday, October 19, 20111. In the circuit given below, the switch s0 is initially closed and iL(0-) = 0 and VC(0-) = 0. Theswitch opens at t = 0 seconds. The current source is constant i0. Det
Purdue - ECE - 201
Homework 26ECE201: Linear Circuit AnalysisDue in class: Wednesday, November 2, 20111. For the ideal operation amplifier shown below, determine the following.a. What are the numerical values for i2 and i-?b. In terms of the sources and resistances, wh
Purdue - ECE - 201
Homework 31ECE201: Linear Circuit AnalysisDue in class: Monday, November 14, 2011Question 1The circuit showing in the following figure operates in the sinusoidal steady state with theindicated phasor currents with is(t) = 10 cos(1000t) A. Find the va
Purdue - ECE - 201
Homework 32ECE201: Linear Circuit AnalysisDue in class: Wednesday, November 30, 2011Question 1For the waveforms below, write down the expressions of u1(t), u2(t), and u3(t).Question 2Use KVL to determine the phasor voltage Vx in the circuit below.Q
Purdue - ECE - 201
Friday, December 02, 201110:25 PM
Purdue - ECE - 201
Homework 33ECE201: Linear Circuit AnalysisDue in class: Friday, December 2nd, 2011Question 1Compute the average power absorbed by a 10 resistor whose voltage is given by each of thewaveforms shown below.Question 2Compute the average power delivered
Purdue - ECE - 201
Homework 34ECE201: Linear Circuit AnalysisDue in class: Monday, December 5th, 2011Question 1Compute the effective value of(a) v1(t) = 5 + cos(20t)(b) v2(t) = 20cos(2t) + 10cos(4t)(c) v3(t) = 40cos(2t) + 20cos(4t) + 20cos(4t - 45)(hint: you cannot
Purdue - ECE - 201
Homework 35ECE201: Linear Circuit AnalysisDue in class: Wednesday, December 7th, 2011Question 1(a) Find the complex power delivered to a load that absorbs 2 kW of average powerwith pf = 0.90 lagging.(b) Find the complex power delivered to a load tha
Purdue - ECE - 201
Homework 36ECE201: Linear Circuit AnalysisDue in class: Friday, December 9th, 2011Question 1Consider the circuit shown below in which R1 = 100 , R2 = 25 , C = 1 mF.(a) Find the value of the load impedance ZL that will absorb maximum power at = 100 r