A typical electric-powered car having a 2A, 24V battery was charged at constant current from 8am till 10pm. Determine: (A) How much electric energy is used? (B) What is the cost of electricity to charge the battery? (C) Calculate the total energy conversion loss. (D) What is the actual efficiency of the battery? [Data given: electric cost =$0.28/kWh, * and assuming 90% battery (chemical energy) to electricity conversion, and 60% electrical to mechanical energy conversion].

A typical electric-powered car having a 2A, 24V battery was charged at constant current from 8am till 10pm. Determine: (A) How much electric energy is used? (B) What is the cost of electricity to charge the battery? (C) Calculate the total energy conversion loss. (D) What is the actual efficiency of the battery? [Data given: electric cost =$0.28/kWh, * and assuming 90% battery (chemical energy) to electricity conversion, and 60% electrical to mechanical energy conversion].

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

1. The practical unit of electric charge. 2. A path for the current to flow. 3. DC Voltage has 4. Resistance to current flow in AC circuits, measured in ohms. 5-7. Types of grounds in electrical circuits. 8. Also known as Ohm's Law Original Formula 9. A quantity defined as amount of work done over time. 10. Types of material that has 4 valence electrons. 11. One Coulomb is equal to 12. Best conductor material type. 13. Best insulator material type. 14.The value of a resistor without considering its tolerance value percentages. polarity electrons or protons stored in a dielectric. 15. 1 picoampere (pA) is equal to ampere (A).
Match The following. Energy derived from organic waste Choose. Energy from interior of earth Choose.
6.A purely resistive electric furnace is connected in parallel with a motor with lagging power factor less than 1.0. The combination of both charges will give an equivalent charge: a) With the same power factor as that of the motor. b) With a power factor closer to 1 than that of the motor. c) With a power factor lower than that of the motor. d) It cannot be indicated with the information provided. e) there is no solution
answer the question brielfy 1.) What are the types of Cells and its definition.2.) Draw/ Illustrate the grouping of cells in series, parallel and combination of series-parallel.3.) What are the types of Batteries and its definition.4.) What are the parts of a battery5.) What is ampere-hour and ampere-hour efficiency?6.) What is watt-hour and watt-hour efficiency?
39 - coulomb Ampere.Ohm/Second can be used instead of which of the following expressions? A) Farad B) Volt C) Joule D) Watt E) Newton
1. The practical unit of electric charge. 2. A path for the current to flow. 3. DC Voltage has 4. Resistance to current flow in AC circuits, measured in ohms. 5-7. Types of grounds in electrical circuits. 8. Also known as Ohm's Law. 9. A quantity defined as amount of work done over time. 10. Types of material that has 4 valence electrons. 11. One Coulomb is equal to 12. Best conductor material type. 13. Best insulator material type. 14.The value of a resistor without considering its tolerance value percentages. 15. 1 picoampere (pA) is equal to -polarity electrons or protons stored in a dielectric. ampere (A).
Solve the following Numerical problems a. What is the Output Voltage of a battery that expends 7.2J of energy in moving 1C of charge? b. A 50-ohm load dissipates 200W of power. How much is the voltage and current across the load? c. If one branch of a 120-V power line is protected by a fuse of 20-A. Will the fuse carry 10-Ohm load? d. If total resistance of a series circuit is 280-Ohm. If one of the resistance is 160-Ohm. What is the sum of other two resistances?
4S LiPo • 5100 mAh • charge rate 1-3C • discharge rate: 35C Complete the following questions as given. Show all computation work and your final answer. Remember to include proper units with your answer. Q1. What is the nominal voltage of this pack? Q2. What is the expected fully charged voltage of this pack? Q3. What is its capacity in Watt-hours? Q4. What is the maximum safe discharge rate for this pack? Q5. What is the maximum charge rate setting on a charger? Q6. What is the maximum recharge time, a) @ 1C? b) @ 2C? Q7. For a battery with a measured charge at 40%, a) how much mAh has been discharged? b) how long will it take to recharge to 100% at 2C? Q8. How long will a fully charged pack run a motor, a) @ 100A? b) @ 200A?
Dept. of Mechanical Eng. First Attempt Time: 2:00 hour Q1: Using the information provided, find the unknown quantities for the circuit shown in figure(1). P 30 W 30 1R - R. 2 A PR Figure (1) Q2: Choose twwo only. 1. Find the color code for 250OKQ resistors with 10% tolerance. 2. Calculate the electricity bill if the current reading is 7210 kWh, the previous reading was 5720 kWh and the average cost is 9¢ per kilowatt-hour. 3. If an electric motor having an efficiency of 87% and operating off a 220V line delivers 4hp, what input current does the motor draw? Q3: For the circuit shown in figure (2), determine V1. Vs, I2 and Is 9 kl Rs 6 k + Vs R 10.4 kI V RE 12 k2 R. R3 kfl E = 28 V 12 kf Figure (2) 04: For the circuit shown in figure (3), calculate V and I. 20 V 18 V 30 60 Figure (3) 'aad G Muttlak cmail: saad.g.mutlak@tu.edu.iq
Determine ?1,?2,?1 and ?2. Find the power dissipated in the 10-ohm resistor.
1. Discuss your observations on both series and parallel circuit. (Brightness of light bulb) 2. Briefly discuss the differences of series and parallel circuit based on current, voltage, and resistance. 3. Do batteries last longer in series or parallel? 4. What is Electricity? 5. How do electrons move from one atom to another? 6. Discuss the difference between direct current and alternating current? 7. What is circuit? 8. What is the purpose of a switch? 9. What do you this is life without electricity?
el (a) Suppose the diagram of an electrical system is given in the Figure below. What is the probability that the system works? Assume the components fail independently. 0.7 0.95 B 0.9 'A 0.8