ANALYSIS+DESIGN OF LINEAR CIRCUITS(LL)
8th Edition
ISBN: 9781119235385
Author: Thomas
Publisher: WILEY
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Chapter 2, Problem 2.49P
Using no more than four
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Calculate, by hand, the equivalent resistance between nodes A and B. Combine the resistors in series and parallel until you have a single resistor between nodes A and B. This will be the equivalent resistance
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1. Design a problem, complete with solution. Use at least three resistors and one voltage source. You may use the 3 resistors in any way you wish so long as the concepts of Ohm’s Law, Series and Parallel Circuits are discussed.
Assume you have a 6V battery and a 1.5V flashlight bulb which draws 0.5A when the bulb voltage is 1.5V. Design a network of resistors to go between the battery and the bulb to give VS=1.5V when the bulb is connected yet ensures that VS does not rise above 2V when the bulb is disconnected.
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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- Assuming you have a 6V battery and a 1.5V flashlight bulb which draws 0.5A when the bulb voltage is 1.5V. Design a network of resistors to go between the battery and the bulb to give VS=1.5V when the bulb is connected yet ensures that VS does not rise above 2V when the bulb is disconnected.arrow_forward3. Solve for the (a) total resistance and (b) total current for the given circuit.arrow_forwardfind the total conductance and resistance of four parallel resistors having resistances of 1 ohms, 0.5 ohms, 25 ohms and 0.125 ohms. A. 3.5 B. 4.5 C. 15.5 D. 25.5arrow_forward
- When a single cell is connected with an external resistance of 4 Ω, the current is 1.5 A. When the external resistance is 9 Ω, the current decreases to 0.75 A. Find the EMF and internal resistance of the cell. The figure 5 shows the connection of lamp in a circuit.arrow_forwardWhen 10 cells in series are connected to the ends of a resistance of 59Ω, the current is found to be 0.25 A, but when the same cells after being connected in parallel are joined to the ends of a 0.05Ω, the current is 25 A. Calculate the internal resistance and emf of each cell.arrow_forwardif i have a parallel circuit containing a 6V battery that has a 2 ohm internal resistance, a 3 ohm resistor and a 10 ohm resistor. how would i calculate to find the current flowing through the battery but also the voltage across all three resistance.arrow_forward
- a) Calculate voltage V2 without the measuring device b) Calculate voltage V2 with a measuring device that has an equivalent resistance of 1 MW:arrow_forwardThe internal resistance of the DMM is 10 M when used as a voltmeter. Calculate Req of the voltmeter connected to a resistor in the circuit.arrow_forwardA circuit consists of three resistors rated 3-0, 4-0 and 5-0 connected in parallel. If the circuit is connected to a battery which has an internal resistance of 0.5-a, what would be the current through the 4- resistor? V=12v.arrow_forward
- A shunt resistor and a 50 mV, 1 mA d’Arsonval movement are used to build a 5 A ammeter. A resistance of 20 mΩ is placed across the terminals of the ammeter. What is the new full-scale range of the ammeter, in amperes?arrow_forwardCalculate the total resistance of the circuit shown in figure 1.also find the total current drawn from the 12v battery . Please step by step I need it to study.arrow_forwardin the following circuit, an ohmmeter is connected to points a and b, what would the total resistance of the resistors be?arrow_forward
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