Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 7, Problem 24P
. A representative lightning strike is caused by a voltage of 200,000,000 V and consists of a current of 1,000 A that flows for a fraction of a second. Calculate the power.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A device experiences a voltage drop of 4.0 V across it while a current of 4.0 mA flows through it. How do you determine how much power does it dissipate?
Suppose a flashlight has 6.8 × 102 C of charge pass through it during time 0.35 h.
A. What is the rate of the flashlight’s energy consumption, in watts, if it operates at a voltage of 3.00 V?
A typical lightbulb in your house is rated 200 W, which means that the bulb dissipates 200 W when connected to a DC voltage of 100 V.
(a) What is the current through the lightbulb?
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
How is the charging time for a capacitor correlated with the initial current? That is, if the initial current i...
Matter and Interactions
1. What are the temperatures for freezing water on the Celsius and the Fahrenheit scales, respectively? For boi...
Conceptual Physical Science (6th Edition)
The net force between the thymine and adenine.
Physics: Principles with Applications
The temperature of the Universe at recombination was about 3000 K. Use Wien’s law to calculate the peak wavelen...
Loose Leaf For Explorations: Introduction To Astronomy
The magnitude of the electric field.
Sears And Zemansky's University Physics With Modern Physics
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 homemade capacitor is constructed of 2 sheets of aluminum foil with an area of 2.00 square meters, separated by paper, 0.05 mm thick, of the same area and a dielectric constant of 3.7. The homemade capacitor is connected in series with a 100,00- resistor, a switch, and a 6.00-V voltage source, (a) What is the RC time constant of the circuit? (b) What is the initial current through the circuit, when the switch is closed? (c) How long does it take the current to reach one third of its initial value?arrow_forwardConsider the circuit below. The battery has an emf of = 30.00 V and an internal resistance of r = 1,00 . (a) Find the equivalent resistance of the circuit and the current out of the battery. (b) Find the current through each resistor, (c) Find die potential drop across each resistor, (d) Find the power dissipated by each resistor, (e) Find the total power supplied by the batteries.arrow_forwardIf electrical energy costs 0.12 per kilowatt-hour, how much does it cost to (a) burn a 100-W lightbulb for 24 h? (b) Operate an electric oven for 5.0 h if it carries a current of 20.0 A at 220 V?arrow_forward
- The batteries of a submerged non-nuclear submarine supply 1000 A at full speed ahead. How long does it take to move Avogadro’s number (6.02 1023) of electrons at this rate?arrow_forwardLightbulb A is marked 25.0 W 120. V, and lightbulb B is marked 100. W 120. V. These labels mean that each lightbulb has its respective power delivered to it when it is connected to a constant 120.-V source. (a) Find the resistance of each lightbulb. (b) During what time interval does 1.00 C pass into lightbulb A? (c) Is this charge different upon its exit versus its entry into the lightbulb? Explain. (d) In what time interval does 1.00 J pass into lightbulb A? (e) By what mechanisms does this energy enter and exit the lightbulb? Explain. (f) Find the cost of running lightbulb A continuously for 30.0 days, assuming the electric company sells its product at 0.110 per kWh.arrow_forward(a) A defibrillator sends a 6.00-A current through the chest of a patient by applying a 10,000-V potential as in the figure below. What is the resistance of the path? (b) The defibrillator paddles make contact with the patient through a conducting gel that greatly reduces the path resistance. Discuss the difficulties that would ensue if a larger voltage were used to produce the same current through the patient, but with the path having perhaps 50 times the resistance. (Hint: The current must be about the same, so a higher voltage would imply greater power. Use this equation for power: P=I2 RP = .)arrow_forward
- Check Your Understanding Handheld calculators often use small solar cells to supply the energy required to complete the calculations needed to complete your next physics exam. The current needed to run your calculator can be as small as 0.30 mA. How long would it take for 1.00 C of charge to flow from the solar cells? Can solar cells be used, instead of batteries, to stall traditional internal combustion engines presently used in most cars and trucks?arrow_forwardA Van de Graaff generator is one of the original particle accelerators and can be used to accelerate charged particles like protons or electrons. You may have seen it used to make human hair stand on end or produce large sparks. One application of the Van de Graaff generator is to create X-rays by bombarding a hard metal target with the beam. Consider a beam of protons at 1.00 keV and a current of 5.00 mA produced by the generator, (a) What is the speed of the protons? (b) How many protons are produced each second?arrow_forwardA battery of terminal potential is connected to a lightbulb (Fig. 28.2). After a long time, the bulb stops working because the filament snaps. After the filament breaks, how much power is dissipated by the filament? Explain your answer.arrow_forward
- A typical cell phone consumes an average of about 1.00 W of electrical power and operates on 3.80 V. (a) What average current does the phone draw from its battery? (b) Calculate the energy stored in a fully charged battery if the phone requires charging after 5.00 hours of use.arrow_forwardIn Figure 21.41. does the graph indicate the time constant is shorter for discharging than for charging? Would you expect ionized gas to have low resistance? How would you adjust R to get a longer time between flashes? Would adjusting R affect the discharge time?arrow_forwardA 120-V immersion heater consists of a coil of wire that is placed in a cup to boil the water. The heater can boil one cup of 20.00°C water in 180.00 seconds. You buy one to use in your dorm room, but you are worried that you will overload the circuit and nip the 15.00-A, 120-V circuit breaker, which supplies your dorm room. In your dorm room, you have four 100.00-W incandescent lamps and a 1500.00-W space heater, (a) What is the power rating of the immersion heater? (b) Will it trip the breaker when everything is turned on? (c) If it you replace the incandescent bulbs with 18.00-W LED, will the breaker nip when everything is turned on?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Ohm's law Explained; Author: ALL ABOUT ELECTRONICS;https://www.youtube.com/watch?v=PV8CMZZKrB4;License: Standard YouTube License, CC-BY