ANALYSIS+DESIGN OF LINEAR CIRCUITS(LL)
8th Edition
ISBN: 9781119235385
Author: Thomas
Publisher: WILEY
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Textbook Question
Chapter 2, Problem 2.79P
Use source transformations in Figure P2-79 to relate
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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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- 3. As the audio frequency of Fig. 11-7 goes down, what components of Fig. 12-4 must be modified for normal operation? OD C₂ 100 HF R₁ 300 Re 300 ww 100A R 8 Voc Rz 10k reset output 3 R7 8 Voc 3 reset output Z discharge VR₁ 5k 2 trigger 2 trigger 7 discharge R 3 1k 5 control voltage threshold 6 5 control voltage 6 threshold GND Rs 2k C. C. 100 GND Uz LM555 1 Ce 0.01 U, LM555 0.01 8.01.4 PRO Fig. 11-7 Audio lutput Pulse width modulator R4 1k ww C7 Re 1k ww R7 100 VR 50k 10μ Ra R10 C₁. R1 3.9k 3.9k 0.14 100k TO w Rs 51 82 3 H 10 Carrier U₁ Ca Input A741 2.2 Us MC1496 PWM signal input R2 0.1100k Uz A741 41 Cs 1 Re 10k VR2 50k VR3 100k 14 12 C3. 3% + Ce 0.1 10μ 5 1A HH C +12V 0.1 O PWM Output C 0.02- R 100k +12 V Demodulated output 6 Ca 0.33 w R 10k R12 100k ww 31 о + 4A741 -12 V Fig. 12-4 PWM demodulator C 1500parrow_forwardDUC 1. In Fig. 12-4, what are the functions of the VR1 and VR2? 2. In Fig. 12-4, what is the function of the VR3? VR₁ 50k C₁ R1 0.1 100k Carrier Input U₁ A741 PWM signal input R41k www Re 1k w C7 ± 10μT R7 100 ww =L H C4 2.2 H W82 Rs 51 3 10 U3 MC1496 C2 R2 U2 A741 22 0.1 100k VR2 50k VR3 100kr 14 C3 10μ 1k 0.1 4 5 6 12 m Re 10k R9 R102 3.9k 3.9k HHI C10 0.1 -0 +12V C11 R 0.02 100k +12 V Demodulated output C R11 R12 A741 0.33 10k 100k -12 V Ca 1μ C12 1500p PRODUC Fig. 12-4 PWM demodulator PRODUCTSarrow_forward10.37 Use mesh analysis to find currents I₁, I2, and I3 in the circuit of Fig. 10.82. ML 120-90° V 120 -30° V Figure 10.82 For Prob. 10.37. N N Z=80-135arrow_forward
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