Laboratory Manual for Introductory Circuit Analysis
13th Edition
ISBN: 9780133923780
Author: Robert L. Boylestad, Gabriel Kousourou
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 33P
What are the internal resistance and voltage rating of a 450 W automatic washer that draws 3.75 A?
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Chapter 4 Solutions
Laboratory Manual for Introductory Circuit Analysis
Ch. 4 - What is the voltage across a 220 resistor if the...Ch. 4 - What is the current through a 2.20 resistor if the...Ch. 4 - How much resistance is required to limit the...Ch. 4 - At starting, what is the current drain on a 12 V...Ch. 4 - If the current through a 100k resistor is 3.6A...Ch. 4 - If a voltmeter has an internal resistance of 50k...Ch. 4 - If a refrigerator draws 2.2 A at 120 V, what is...Ch. 4 - If a clock has an internal resistance of 8k find...Ch. 4 - A washing machine is rated at 4.2 A at 120 V. What...Ch. 4 - A CD player draws 80 mA when 4.5 V is applied....
Ch. 4 - The input current to a transistor is 20A If the...Ch. 4 - Prob. 12PCh. 4 - If an electric heater draws 9.5 A when connected...Ch. 4 - In a TV camera, a current of 5.6 mA passes through...Ch. 4 - Plot the curve of I (vertical axis) versus...Ch. 4 - Plot the I-V curve for a 5 and a 20 resistor on...Ch. 4 - Prob. 17PCh. 4 - Sketch the internal resistance characteristics of...Ch. 4 - Plot the I-V characteristics of a 1k,10k, and a 1M...Ch. 4 - If 540 J of energy are absorbed by a resistor in...Ch. 4 - The power to a device is 40 joules per second...Ch. 4 - How many joules of energy does a 8 W nightlight...Ch. 4 - How long must a steady current of 1.4 A exist in a...Ch. 4 - What is the power delivered by a 12 V battery if...Ch. 4 - The current through a 4k resistor is 7.2 mA. What...Ch. 4 - The power consumed by a 2.2k resistor is 240 mW....Ch. 4 - What is the maximum permissible current in a 82,...Ch. 4 - The voltage drop across a transistor network is 22...Ch. 4 - If the power applied to a system is 10 kW, what is...Ch. 4 - A 1 W resistor has a resistance of 4.7M . What is...Ch. 4 - A 2.2k resistor in a stereo system dissipates 42...Ch. 4 - What are the hot resistance level and current...Ch. 4 - What are the internal resistance and voltage...Ch. 4 - A calculator with an internal 3 V battery draws...Ch. 4 - A 20k resistor has a rating of 100 W. What are the...Ch. 4 - What is the total horsepower rating of a series of...Ch. 4 - A 10 resistor is connected across a 12 V battery....Ch. 4 - How much energy in kilowatthours is required to...Ch. 4 - How long can a 1500 W heater be on before using...Ch. 4 - A 60 W bulb is on for 10 h. a. What is the energy...Ch. 4 - In 10 h an electrical system converts 1200 kWh of...Ch. 4 - At 12/kWh how long can you play a 250 W color...Ch. 4 - The electric bill for a family for a month is...Ch. 4 - How long can you use an Xbox 360 for $1 if it uses...Ch. 4 - The average plasma screen TV draws 339 W of power,...Ch. 4 - The average PC draws 78 W. What is the cost of...Ch. 4 - If a house is supplied with 120 V, 100 A service,...Ch. 4 - What is the total cost of using the following at...Ch. 4 - What is the total cost of using the following at...Ch. 4 - Prob. 50PCh. 4 - The motor of a power saw is rated 72% efficient....Ch. 4 - What is the efficiency of a dryer motor that...Ch. 4 - A stereo system draws 1.8 A at 120 V. The audio...Ch. 4 - Prob. 54PCh. 4 - Prob. 55PCh. 4 - An electric motor used in an elevator system has...Ch. 4 - The motor used on a conveyor belt is 85%...Ch. 4 - Prob. 58PCh. 4 - The overall efficiency of two systems in cascade...Ch. 4 - What is the total efficiency of three systems in...Ch. 4 - If the total input and output power of two systems...Ch. 4 - Using PSpice 0r Multisim, repeat the analysis of...Ch. 4 - Using PSpice or Multisim, repeat the analysis of...
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- Q4: Determine the reactions at support A in structure shown in figure below. 4 kN/m 2.5 kN/m 9 m 4 marrow_forward4. A circuit has three AC sources: y₁ = 5cos(wt + 30°), y2 = 4cos(wt + 120°), y3 2cos(wt 60°), calculating: = (1) y₁ + y2 y3, and express the addition in the complex plane using phasors. (2) y1 y2 y3, and express the subtraction in the complex plane using phasorsarrow_forwardDon't use ai to answer I will report you answerarrow_forward
- A 50-HP, 600-V compound motor, taking 80 A, operates at a speed of 495 r.p.m. at full-load. If the flux per pole is 9.1 x 106 Maxwells and the armature resistance is 0.01502, the field resistances are 0.006 ohms and 300 ohms. Calculate: a. Field currents and the armature current b. the counter emf c. the rotational loss Ans.[2A,78A,593.362 V,8982.236 W]arrow_forward1. A 600-V, 150-HP, 600 r.p.m. d.c. series motor has an armature and series field resistance of 0.120 and 0.040, respectively. The full-load current is 200A. (a) Find the back e.m.f. at full-load. (b) Find the armature developed power and torque at full-load. Ans. [568V, 1808.13 N.m]arrow_forward3. An electrical device shown below has the following depicted voltage and current definition. The current in and the voltage vin for a certain period is recorded as shown in the bottom picture. (1) In different periods from 0 to time T4, determine if the electrical device works as a load or a source. iin + iin Vin Electrical Device 0 T₁ T2 T3 ΤΑ t Vin T2 ΤΑ tarrow_forward
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