FUNDAMENTALS OF ELEC.CIRC.(LL)-W/ACCESS
6th Edition
ISBN: 9781259969683
Author: Alexander
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 1, Problem 34CP
Figure 1.32 shows the power consumption of a certain household in 1 day. Calculate:
- (a) the total energy consumed in kWh,
- (b) the average power over the total 24 hour period.
Figure 1.32
For Prob. 1.34.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
It is required to provide illumination of 150 meter- candle in a factory hall 45 m x 15 m. . Assume that the depreciation factor is 0.80, the coefficient of utilization is 0.40 and the efficiency of the lamp is 20 lumens per watt. Calculate the number of 250 W lamps.
a. 60
b. 72
c. 63
d. 56
How much energy does a 3-hp motor deliver in 10 minutes? Assume that 1 horsepower = 746 W.
Two finite machines are connected together in a power station. Following are the details of the machine.
Rating of machine-1, 250 MVA, Angular Momentum 2.5 PU generates electrical power 1.74 PU.
Rating of machine-2, 400 MVA, Angular Momentum 9 PU.
If the equivalent electrical power of two machines is 1.74, then the value of electrical power of machine-2 is _______________ PU.
Chapter 1 Solutions
FUNDAMENTALS OF ELEC.CIRC.(LL)-W/ACCESS
Ch. 1.3 - Calculate the amount of charge represented by...Ch. 1.3 - Prob. 2PPCh. 1.3 - The current flowing through an element is i= 4A...Ch. 1.5 - To move charge q from point b to point a requires...Ch. 1.5 - Find the power delivered to the element in Example...Ch. 1.5 - A home electric heater draws 10 A when connected...Ch. 1.6 - Figure 1.16 For Practice Prob. 1.7 Compute the...Ch. 1.7 - If an electron beam in a TV picture tube carries...Ch. 1.7 - Referring to the residential rate schedule in...Ch. 1 - One millivolt is one millionth of a volt. (a) True...
Ch. 1 - The prefix micro stands for: (a) 106 (b) 103 (c)...Ch. 1 - The voltage 2.000,000 V can be expressed in powers...Ch. 1 - A charge of 2 C flowing past a given point each...Ch. 1 - The unit of current is: (a) coulomb (b) ampere (c)...Ch. 1 - Voltage is measured in: (a) watts (b) amperes (c)...Ch. 1 - Prob. 7RQCh. 1 - The voltage across a 1.1-kW toaster that produces...Ch. 1 - Which of these is not an electrical quantity? (a)...Ch. 1 - The dependent source in Fig. 1.22 is: (a)...Ch. 1 - How much charge is represented by these number of...Ch. 1 - Determine the current flowing through an element...Ch. 1 - Find the charge q(t) flowing through a device if...Ch. 1 - A total charge of 300 C flows past a given cross...Ch. 1 - Prob. 5PCh. 1 - The charge entering a certain element is shown in...Ch. 1 - The charge flowing in a wire is plotted in Fig....Ch. 1 - Prob. 8PCh. 1 - The current through an element is shown in (a) t =...Ch. 1 - A lightning bolt with 10 kA strikes an object for...Ch. 1 - A rechargeable flashlight battery is capable of...Ch. 1 - The charge entering the positive terminal of an...Ch. 1 - The voltage v(t) across a device and the current...Ch. 1 - The current entering the positive terminal of a...Ch. 1 - Prob. 16PCh. 1 - Figure 1.28 shows a circuit with four elements, p1...Ch. 1 - Find the power absorbed by each of the elements in...Ch. 1 - Find I and the power absorbed by each element in...Ch. 1 - Find Vo and the power absorbed by each element in...Ch. 1 - A 60-W incandescent bulb operates at 120 V. How...Ch. 1 - Prob. 22PCh. 1 - A 1.8-kW electric heater takes 15 min to boil a...Ch. 1 - A utility company charges 8.2 cents/kWh. If a...Ch. 1 - A 1.2-kW toaster takes roughly 4 minutes to heat...Ch. 1 - A cell phone battery is rated at 3.85 V and can...Ch. 1 - A constant current of 3 A for 4 hours is required...Ch. 1 - A 150-W incandescent outdoor lamp is connected to...Ch. 1 - An electric stove with four burners and an oven is...Ch. 1 - Reliant Energy (the electric company in Houston,...Ch. 1 - In a household, a business is run for an average...Ch. 1 - A telephone wire has a current of 20 A flowing...Ch. 1 - A lightning bolt carried a current of 2 kA and...Ch. 1 - Figure 1.32 shows the power consumption of a...Ch. 1 - The graph in Fig. 1.33 represents the power drawn...Ch. 1 - A battery can be rated in ampere-hours (Ah) or...Ch. 1 - A total of 2 MJ are delivered to an automobile...Ch. 1 - How much energy does a 10-hp motor deliver in 30...Ch. 1 - A 600-W TV receiver is turned on for 4 h with...
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
- What does SI stand for in the National Electrical Code? Select one: a. single length b. metric c. single gang d. single widtharrow_forwardConvert the delta equivalent to its wye equivalentarrow_forwardA utility company charges 8.2 cents/kWh. If a consumer operates a 60 W bulb continuously for 1 day, then how much the consumer will be charged?arrow_forward
- The power output of a wind turbine is proportional to the wind speed , v the fourth power of the wind speed, v ^ 4 the cube of the wind speed , v ^ 3 the square of the wind speed, v ^ 2arrow_forwardCalculate the electricity bill amount for a month of February, if 2 bulbs of 40 W for 4 h, 5 tube lights Of 60 W for 6 h, a TV of 100 W for 2 h, a washing machine of 250 W for 2 h, a water pump of 0.5 HP for 10 minutes are used per day. The cost per unit is $ 3.50. Consider 1 HP= 746 watts.arrow_forwardState the purpose and value of the coefficient that relates to the conversion of power output which was derived by Albert Betz. (max 100 words)arrow_forward
- 1. Establish the following relations :(i) 1kWh=36×105 Joules (ii) 1kWh=860kcal(iii) 1 B.Th.U. = 1053 Joules (iv) 1 C.H.U. = 1896 Joules 2. Compare the chief sources of energy used for the generation of electrical energy.3. What do you mean by efficiency of a system ?arrow_forwardAn electricity supplier company rates its customers as follows: Monthly cost 6 $ 0.02 $ / kWh for the first 250 kWh 0.07 $ / kWh for each additional kWh How much a customer will bill the electricity company if they use 2436 kWh of energy in a month.arrow_forwardWhich of the following is considered a renewable energy source? A. natural gas B. petroleum oil C. coal D. none of thesearrow_forward
- EXPRESS IN 4 DECIMAL PLACES IF NEED BE! A combination of three resistors R1, R2, and R3 in series is connected across a voltage source VT. The voltage drop across R1 and R3 are 10 V and 36 V, respectively. If the current supplied by the source voltage is 1.4 A and the total power supplied by the source is 70 W, calculate the power dissipated (in watts) by R1.arrow_forwardA water jet cinsume 3450 W for 126 hours a week. 1. What is the energy consumed (kWh) for one-year period? 2. What is the utility energy charge for this period at a rate of ₱750/kWh. 3. What is the energy cost savings for this period if the water jet is switched off 5 hours a day? 1 year=365.25 daysarrow_forwardA 68.01-hp motor that has an efficiency of 92.62% is soon to be absolete. It will be replaced by a high efficiency motor which is 97.93% efficient. The motor operates 4,485 hours a year. Taking the cost of electricity to be ₱9.05 per kWh, compute for the annual savings due to the installation of the high-efficiency motor instead of the standard motor. Round your answer into two decimal places only.arrow_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,
What is an electric furnace and how does it work?; Author: Fire & Ice Heating and Air Conditioning Inc;https://www.youtube.com/watch?v=wjAWecPGi0M;License: Standard Youtube License