Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 7, Problem 27P
. The generator at a large power plant has an output of 1,000,000 kW at 24,000 V.
(a) If it were a DC generator, what would he the current in it?
(b) What is its energy output each day—in joules and in kilowatt—hours?
(c) If this energy is sold at a price of 10 cents per kilowatt-hour, how much revenue does the power plant generate each day?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
The generator at a large power plant has an output of 1,400,000 kW at 28,000 V.
(a) If it were a DC generator, what would be the current in it? A(b) What is its energy output each day—in joules and in kilowatt-hours?
J
kWh
(c) If this energy is sold at a price of 10 cents per kilowatt-hour, how much revenue does the power plant generate each day?
The cost to operate a clothes dryer for a year is $80.25. If the rate for electrical energy is 8.8¢/kWh, and the clothesdryer is used for 700 hours in a year, what is the power rating of the clothes dryer? Explain clearly.
The generator at a large power plant has an output of 2,000,000 kW at 23,000 V.
(a) If it were a DC generator, what would be the current in it?
A
(b) What is its energy output each day-in joules and in kilowatt-hours?
kWh
(c) If this energy is sold at a price of 10 cents per kilowatt-hour, how much revenue does the power plant generate each day?
%24
Need Help?
Road It
Watch It
Chapter 7 Solutions
Inquiry into Physics
Ch. 7 - Describe one promising explanation for how...Ch. 7 - Loud thunder claps frequently accompany lightning...Ch. 7 - What does the term fibrillation mean in connection...Ch. 7 - Prob. 1PIPCh. 7 - Prob. 2PIPCh. 7 - Prob. 1MIOCh. 7 - Prob. 2MIOCh. 7 - Prob. 1QCh. 7 - Prob. 2QCh. 7 - Prob. 3Q
Ch. 7 - Prob. 4QCh. 7 - Prob. 5QCh. 7 - (Indicates a review question, which means it...Ch. 7 - Prob. 7QCh. 7 - Prob. 8QCh. 7 - Prob. 9QCh. 7 - Prob. 10QCh. 7 - Prob. 11QCh. 7 - Prob. 12QCh. 7 - (Indicates a review question, which means it...Ch. 7 - Prob. 14QCh. 7 - (Indicates a review question, which means it...Ch. 7 - Prob. 16QCh. 7 - (Indicates a review question, which means it...Ch. 7 - (Indicates a review question, which means it...Ch. 7 - Prob. 19QCh. 7 - (Indicates a review question, which means it...Ch. 7 - (Indicates a review question, which means it...Ch. 7 - (Indicates a review question, which means it...Ch. 7 - (Indicates a review question, which means it...Ch. 7 - Prob. 24QCh. 7 - Prob. 25QCh. 7 - (Indicates a review question, which means it...Ch. 7 - (Indicates a review question, which means it...Ch. 7 - (Indicates a review question, which means it...Ch. 7 - Prob. 29QCh. 7 - (Indicates a review question, which means it...Ch. 7 - (Indicates a review question, which means it...Ch. 7 - Prob. 32QCh. 7 - Prob. 33QCh. 7 - Prob. 34QCh. 7 - (Indicates a review question, which means it...Ch. 7 - Two charged particles exert an electric force of...Ch. 7 - What would the separation between two identical...Ch. 7 - A particle having a positive charge of C...Ch. 7 - During 30 seconds of use, 250 C of charge flow...Ch. 7 - A lightning stroke lasts 0.05 s and involves a...Ch. 7 - A current of 0.7 A goes through an electric motor...Ch. 7 - A calculator draws a current of 0.0001 A for 5...Ch. 7 - Prob. 8PCh. 7 - A 120-V circuit in a house is equipped with a 20-A...Ch. 7 - . The resistance of each brake lightbulb on an...Ch. 7 - . The lightbulb used in a computer projector has a...Ch. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - Prob. 14PCh. 7 - . An electric eel can generate a 400-V, 0.5-A...Ch. 7 - . An electric train operates on 750 V. What is its...Ch. 7 - . All of the electrical outlets in a room are...Ch. 7 - . Your cell phone typically consumes about 400 mW...Ch. 7 - . A car’s headlight consumes 40 W when on low beam...Ch. 7 - . Find the current that flows in a 40-W bulb used...Ch. 7 - . An electric clothes dryer is rated at 4,000 W....Ch. 7 - . A clock consumes 2 W of electrical power. How...Ch. 7 - . Which costs more, running a 1,200-W hair dryer...Ch. 7 - . A representative lightning strike is caused by a...Ch. 7 - Prob. 25PCh. 7 - . A certain electric motor draws a current of 10 A...Ch. 7 - . The generator at a large power plant has an...Ch. 7 - . A lightbulb is rated at 60 W when connected to...Ch. 7 - . About 40,000 J of energy is stored in a typical...Ch. 7 - . An electric car is being designed to have an...Ch. 7 - Prob. 31PCh. 7 - Compute the electric force acting between the...Ch. 7 - Use the result from Challenge land the equation...Ch. 7 - Prob. 3CCh. 7 - Using your understanding of the nature of internal...Ch. 7 - The current that flows through an incandescent...Ch. 7 - Prob. 6CCh. 7 - Imagine a company offering a line of hair dryers...Ch. 7 - Prob. 8CCh. 7 - Combine Ohm’s law and the equation for power...Ch. 7 - A defibrillator sends approximately 0.1 C of...
Additional Science Textbook Solutions
Find more solutions based on key concepts
an exact quantity that people agree to use to compare measurements.
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
What is the maximum magnetic intensity in a plane electromagnetic wave whose maximum electric intensity is 100 ...
Introduction To Health Physics
What class of motion, natural or violent, did Aristotle attribute to motion of the Moon?
Conceptual Physics (12th Edition)
The magnitude of force of gravity.
Physics (5th Edition)
1. Rub your hands together vigorously. What happens? Discuss the energy transfers and transformations that take...
College Physics: A Strategic Approach (4th Edition)
What discovery in the 15th century greatly advanced progress in science?
Conceptual Physical Science Explorations
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A 165F capacitor is used in conjunction with a dc motor. How much energy is stored in it when 119 V is applied?arrow_forwardAn older electric water heater uses 10.0 of power while it's on, but it's only on for 2 hours every day. If Georgia Power currently charges $0.15/kiloWatt-hour what is the cost of running this water heater for a month ? How many joules are there in kWh ?arrow_forwardHow much electrical energy (in KWh) would a 120 W light bulb use in 34 days if left on steadily?arrow_forward
- A 400-W computer (computer plus monitor) is turned on 8.0 hours per day. If electricity costs ₱ 9.0 per kWh, how much does it cost (in ₱) to run the computer annually?arrow_forwardThe cost of electricity in Los Angeles is 5 cents per 1,000,000 joules. Suppose a small 2000-watt air conditioning unit is operated continuously for 3 hours. What is the cost (in dollars) of the total energy consumed?arrow_forwardA 400-W computer (including the monitor) is turned on for 8.0hours per day. If eletricity costs R1.60per kWh, how muh does it cost to run the computer annually for a typial 365-day year?arrow_forward
- The average television set is said to be on 6 hours a day. a) Calculate the yearly cost (total cost) of electricity, in billions of dollars, required to operate 100 million TVs, assuming their power consumption averages 130 W and the cost of electricity averages 13.5 cents/kW⋅h.arrow_forwardThe cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value. At this unit price, calculate the cost of the following. (a) Leaving a 80.0-W porch light on for 2 weeks while you are on vacation. (b) Making a piece of dark toast in 3.00 min with a 860-W toaster. (c) Drying a load of clothes in 40.0 min in a 5,800 W dryer. ¢arrow_forwardThe cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value. At this unit price, calculate the cost of the following. (a) Leaving a 40.0-W porch light on for 2 weeks while you are on vacation.(b) Making a piece of dark toast in 3.00 min with a 990-W toaster. (c) Drying a load of clothes in 40.0 min in a 4,900 W dryer.arrow_forward
- A refrigerator using 1020 W runs one-third of the time. How much does the electricity cost to run the refrigerator each month (30 days) at 15¢ per kWh?arrow_forwardA monthly electric bill is based on the following usage: A set of electronic devices that altogether are rated at 1,812 W. The devices are ON 12 hours a day. A set of light of total power 562 W that are on 24 hours a day. What would be the value of the bill if we count one month as 30 days and electricity costs $0.08 /kWh. Write down your answer as an amount of dollars rounded off to an integer value ( no decimals) and do not put any unit.arrow_forwardA 100 kW solar array located in Cheney, WA is estimated to produce 126,000 kWh. Assuming electricity produced from the solar is free ($0.00 / kWh), how much would the building save on annual electricity costs?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
How To Solve Any Resistors In Series and Parallel Combination Circuit Problems in Physics; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=eFlJy0cPbsY;License: Standard YouTube License, CC-BY