ANALYSIS+DESIGN OF LINEAR CIRCUITS(LL)
8th Edition
ISBN: 9781119235385
Author: Thomas
Publisher: WILEY
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Chapter 2, Problem 2.18P
In Figure P2-17
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A-2-1. Simplify the block diagram shown in Figure 2–17.
R(s)
+
H₁
G
H₂
(+
+
C(s)
I've got a circuit with two batteries, and Kirchoff's laws give me the equations
i₁ + 12 = 13
V₁₁R₁ - 13R3 = 0
V2-12R2 - 13R3 = 0
The circuit has R₁ = 109, R₂ = 209, and R3 = 409. The first battery has a fixed voltage V₁ = 35V, but the second battery can be adjusted to anything between
20V and 60V. Write a .m function file called myCircuit.m that takes V₂ as an input and produces an array containing i₁, i2, and i3 as an output. That is, the
output should be a single (vector-valued) variable. The function must use the backslash operator to solve the linear system.
Each of the cells shown in the figure has an emf of 1.50 V and a 0.0750-ohm internalresistance. Find I1, I2, and I3.
Chapter 2 Solutions
ANALYSIS+DESIGN OF LINEAR CIRCUITS(LL)
Ch. 2 - Prob. 2.1PCh. 2 - The voltage across a particular resistor is 8.60 V...Ch. 2 - You can choose to connect either a 4.7-k resistor...Ch. 2 - A model railroader wants to be able to...Ch. 2 - A 100-k resistor dissipates 50mW. Find the current...Ch. 2 - The conductance of a particular semiconductor...Ch. 2 - In Figure P2—7 the resistor dissipates 25 mW. Find...Ch. 2 - In Figure P2—8 find Rx and the power supplied by...Ch. 2 - A resistor found in the lab has three orange...Ch. 2 - The iv characteristic of a nonlinear resistor is...
Ch. 2 - A 100-k resistor has a power rating of 0.25 W....Ch. 2 - A certain type of film resistor is available with...Ch. 2 - Figure P2—13 shows the circuit symbol for a class...Ch. 2 - A thermistor is a temperature-sensing element...Ch. 2 - In Figure P2-15i2=6A and i3=2A. Find i1 and i4.Ch. 2 - In Figure P2-16 determine which elements are in...Ch. 2 - For the circuit in Figure P2—17: Identify the...Ch. 2 - In Figure P2-17 i2=30mA and i4=20mA. Find i1 and...Ch. 2 - For the circuit in Figure P2—19: Identify the...Ch. 2 - In Figure P2-19 v2=20V,v3=20V, and v4=6V. Find...Ch. 2 - In many circuits the ground is often the metal...Ch. 2 - The circuit in figure P2-22 is organized around...Ch. 2 - Are any of the elements in Figure P2-23 in series...Ch. 2 - Are any of the elements in Figure P2-24 in series...Ch. 2 - Use the passive sign convention to assign voltage...Ch. 2 - If a wire is connected between nodes B and C in...Ch. 2 - The KCL equations for a three-node circuit are as...Ch. 2 - For the circuit in Figure P2—28, write a complete...Ch. 2 - For the circuit in Figure P2—29, write a complete...Ch. 2 - Find vx and ix in Figure P2-30. Compare the...Ch. 2 - A modeler wants to light his model building using...Ch. 2 - Find vx and ix in Figure P2-32.Ch. 2 - In Figure P2-33: Assign a voltage and current...Ch. 2 - Find vO in the circuit of Figure P2-34.Ch. 2 - Find the power provided by the source in Figure...Ch. 2 - Figure P2-36 shows a subcircuit connected to the...Ch. 2 - In Figure P2-37 ix=0.33mA. Find the value of R.Ch. 2 - Figure P2—38 shows a resistor with one terminal...Ch. 2 - Find the equivalent resistant REQ in Figure P2-39.Ch. 2 - Find the equivalent R EQ in Figure P2-40.Ch. 2 - Find the equivalent resistance REQ in Figure...Ch. 2 - Equivalent resistance is defined at a particular...Ch. 2 - Find REQ in Figure P2—43 when the switch is open....Ch. 2 - Find REQ between nodes A and B for each of the...Ch. 2 - Show how the circuit in Figure P2—45 could be...Ch. 2 - In Figure P2-46 find the equivalent resistance...Ch. 2 - In Figure P2-47 find the equivalent resistance...Ch. 2 - Select a value of RL in Figure P2-48 so that...Ch. 2 - Using no more than four 1-k resistors, show how...Ch. 2 - Do a source transformation at terminals A and B...Ch. 2 - For each of the circuits in Figure P2-51, find the...Ch. 2 - In Figure P2-52, the iv characteristic of network...Ch. 2 - Select the value of Rx in Figure P2-53 so that...Ch. 2 - Two 10-k potentiometers (a variable resistor whose...Ch. 2 - Select the value of R in Figure P2-55 so that...Ch. 2 - What is the range of REQ in Figure P2-56?Ch. 2 - Find the equivalent resistance between terminals A...Ch. 2 - Use voltage division in Figure P2-58 to find...Ch. 2 - Use voltage division in Figure P2-59 to obtain an...Ch. 2 - Use current division in Figure P2-60 to find...Ch. 2 - Use current division in Figure P2-61 to find an...Ch. 2 - Find ix,iy, and iz in Figure P2-62.Ch. 2 - Find vO in the circuit of Figure P2-63.Ch. 2 - You wish to drive a 1-k load from your car battery...Ch. 2 - Find the range of values of vo in Figure P2-65.Ch. 2 - Use current division in the circuit of Figure...Ch. 2 - Figure P2-67 shows a voltage bridge circuit, that...Ch. 2 - A Ideally, a voltmeter has infinite internal...Ch. 2 - Select values for R1,R2, and R3 in Figure P2-69 so...Ch. 2 - Select a value of Rx in Figure P2-70 so that...Ch. 2 - Select a value of Rx in Figure P2-71 so that...Ch. 2 - Use circuit reduction to find vx and ix in Figure...Ch. 2 - Use circuit reduction to find vx,ix, and px in...Ch. 2 - Use circuit reduction to find vx and ix in Figure...Ch. 2 - Use circuit reduction to find vx,ix, and px in...Ch. 2 - Use circuit reduction to find vx and ix in Figure...Ch. 2 - Use source transformation to find ix in Figure...Ch. 2 - Select a value for Rx so that ix=0A in Figure...Ch. 2 - Use source transformations in Figure P2-79 to...Ch. 2 - The current through RL in figure P2-80 is 100mA....Ch. 2 - Select Rx so that 50 V is across it in Figure...Ch. 2 - The box in the circuit in Figure P2-82 is a...Ch. 2 - A circuit is found to have the following element...Ch. 2 - Consider the circuit of Figure P2-88. Use MATLAB...Ch. 2 - Nonlinear Device Characteristics The circuit in...Ch. 2 - Prob. 2.92IPCh. 2 - Center Tapped Voltage Divider Figure P2-93 shows a...Ch. 2 - Active Transducer Figure P2-95 shows an active...Ch. 2 - Programmable Voltage Divider Figure P2-97 shows a...Ch. 2 - Analog Voltmeter Design Figure P2-98(a) shows a...Ch. 2 - MATLAB Function for Parallel Equivalent Resistors...
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- I did a physics lab and got some values. I want to check them theoretically to see how the results differ. From this diagram, answer the following questions: The laws to be verified included the conservation of current in a node, the addition of potentials for components in series, and the addition of currents for components in parallel. The data : R1: 1094 ohm R2 : 998 ohm R3: 1094 ohmR4: 25 ohm Source 1 : 5 V Source 2 : 1.5 Varrow_forwardGiven n2 = 510, what is n₁? 5415° V 3060 85 1530 O 170 +21 000 ell n₁: N₂ + 30415° Varrow_forwardWe now have a function file called myCircuit.m that solves for the currents in the following system of equations: i₁ + 12 = 13 V₁-i₁R₁ - 13R3 = 0 V2-i2R2 - 13R3 = 0 The circuit has R₁ = 1022, R₂ = 2002, and R3 = 409. The first battery has a fixed voltage V₁ = 35V, but the second battery can be adjusted to anything between 20V and 60V. We want the current is to be 0.77A. We will find the V₂ that produces this current by starting at V₂ = 20V and incrementing V₂ by 0.01V until we get i3 greater than or equal to 0.77A. Write a script file called current.m that calls myCircuit.m inside a while loop in order to determine what voltage we should select for V₂. This problem assesses how you can handle vector outputs to functions.arrow_forward
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