Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 4, Problem 61P
If the total input and output power of two systems in cascade are 400 W and 128 W, respectively, what is the efficiency of each system if one has twice the efficiency of the other?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
If the total input and output power of two systems in cascade are 400 W and 128 W, respectively, what is the
efficiency of each system if one has twice the efficiency of the other?
Calculate the output voltage if V1 = 33 mV and V2 = 2 mV.
1) If the frequency of the source is doubled, what change should be done to maintain maximum
transfer to the load? How does this change affect the value of the maximum power? Explain.
power
Chapter 4 Solutions
Introductory Circuit Analysis (13th Edition)
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...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Please show your solution on a paper with FBD. Determine the following: 1. The total power consumed by the circuit. 2. If the voltage source is replaced by a 100V battery, determine the "INCREASE" or "DECREASE" in power. STATE YOUR ANSWER IN WATTS.arrow_forwardFor the circuit shown in Figure, find the following: a. The magnitude of current in the circuit, I. b. The total power delivered by the voltage source, P,. c. The value of the unknown resistance, R./ d. The power dissipated by each resistor. 1 ka 4 ko E- 90 V RT- 12 ka 3 kaarrow_forwardWhat is the total apparent, reactive, and real power of the network in figure 1? Also, determine the current Io and the power factor of the system.arrow_forward
- 4 ka For the circuit of shown in Figure, find the following quantities: a The circuit current, I. b. The total resistance of the circuit, RT. c. The value of the unknown resistance, R. d. The voltage drop across all resistors in the circuit. 3 k0 +E-130 V P-100 mW1 ka R إجابتكarrow_forwardTwo heating units x and y are connected across a 100 V supply unit y takes twice as much power as unit x. Total power supplied by the source is 2280 watts. Determine the total power drawn by the heating units if they are connected in series across the same source. Explain the difference between energy and power.arrow_forwardSolve the following problems with complete solutions and units using two (2) decimal digits. 1. Two resistors Rx and Ry are connected across a 100 V. supply. RY takes twice as much power as Rx. Total power supplied by the source is 2280 watts. Determine the total power if they are connected in series across the same source.arrow_forward
- Choose the value of the supply voltage for a 1000 W, 10 ohm load from the following option. a. 50 V O b. 100 V O c. 500 V O d. 30 Varrow_forwardPlease explain in detail and show all the solution if there are. Data Gathered during the Experiment Thevenin Voltage (VTH) = 1.618 volts Thevenin Resistance (RTH) = 1211 Ω Load Resistance Load Voltage Dissipated Power 7600Ω 1.511 0.0002 2000Ω 0.915 0.0004 900Ω 0.30 0.0003 1. Analyze the data for a pattern. What is the highest dissipated power in the list? When does this occur? 2. What value of Load Resistance develops a voltage drop across it closest to the value of VTH? 3. What value of Load Resistance draws the largest current from VTH? Please explain how the you arrived in that conclusion.arrow_forwardAn energy meter having a meter constant of 1200 rev/kwh is found to make 2 revolutions in 50 Seconds. The load power is O a. 300 W O b. 200 W O c. 120 W O d. 100 Warrow_forward
- When the lights of a car are switched on, an ammeter in series with them reads 7.01 A and a voltmeter connected across them reads 12.0 V (see the figure). When the electric starting motor is turned on, the ammeter reading drops to 5.91 A and the lights dim somewhat. If the internal resistance of the battery is 0.0571 and that of the ammeter is negligible, what are (a) the emf of the battery and (b) the current through the starting motor (in A) when the lights are on? S Lights Starting S motor V HW (a) Number Units (b) Number i Unitsarrow_forward2. The SONEL thermal plant in Limbe supplies SONARA with 1.0 MV at a p.d of 1.0 x 104v The total resistance between the power station and the factory is 0.52. a. What is the power output of the thermal plant b. Explain why the power station output voltage is always stepped up before transmission over a long distancearrow_forwardA. If the change in the input voltage of a power supply is around 2V and the change in the output voltage is 50% of that, what is percent regulation of the power supply? Choices: 200 100 50 25 B. What type of regulation is depicted in the question? Choices: line load power voltagearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
- Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:PEARSON
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Programmable Logic Controllers
Electrical Engineering
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:9780078028229
Author:Charles K Alexander, Matthew Sadiku
Publisher:McGraw-Hill Education
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:9780134746968
Author:James W. Nilsson, Susan Riedel
Publisher:PEARSON
Engineering Electromagnetics
Electrical Engineering
ISBN:9780078028151
Author:Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:Mcgraw-hill Education,
Economic Dispatch Example 1 Part I English; Author: Francisco Gonzalez-Longatt;https://www.youtube.com/watch?v=c9qINx0S66w;License: Standard Youtube License