Physical Universe
16th Edition
ISBN: 9780077862619
Author: KRAUSKOPF, Konrad B. (konrad Bates), Beiser, Arthur
Publisher: Mcgraw-hill Education,
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 6, Problem 26E
The energy stored in a certain 12-V battery is 3 MJ. (a) How much charge was transferred from one of its terminals to the other when it was charged? (b) How long would a 50-A charger take to charge the battery, assuming a constant current? (Actually, the current decreases as a battery nears a full charge.)
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
During lightning strikes from a cloud to the ground, a current of 20 kA occured and lasted for about 55-us. How much charge is transferred from the cloud to the earth during the strike?
A lightning flash during a thunderstorm can consist of one to tens of individual strokes, each with a duration between 10 and 100 milliseconds. Peak currents in a stroke can be as high as 20 kiloamperes. If a specific lightning flash has 10 separate strokes each lasting 50 milliseconds and carrying an average current of 8 kiloamperes, about how much charge gets transferred from the earth to the sky or vice versa?
(Hint: the answer provided is 4000 C)
If a current of 5A flows through a conductor with a resistance of 7 ohms for 3 minutes, how many electrons pass through any section of the conductor during this time? (Find the factor x10^21)
Chapter 6 Solutions
Physical Universe
Ch. 6 - The charge on an electron a. is 1 C b. depends on...Ch. 6 - A positive electric charge a. attracts other...Ch. 6 - A positively charged rod is brought near an...Ch. 6 - Protons and electrons have different masses. When...Ch. 6 - Coulombs law for the force between electric...Ch. 6 - The electric force between a proton and an...Ch. 6 - An atom consists of a a. uniform distribution of...Ch. 6 - Prob. 8MCCh. 6 - An object has a positive electric charge whenever...Ch. 6 - A solid conductor is one a. whose electrons are...
Ch. 6 - Prob. 11MCCh. 6 - Match each of the electrical qualities listed...Ch. 6 - Electric power is equal to a. (current)(voltage)...Ch. 6 - The electric energy lost when a current passes...Ch. 6 - When a magnetized bar of iron is strongly heated,...Ch. 6 - All magnetic fields originate in a. iron atoms b....Ch. 6 - The force on an electron that moves in a curved...Ch. 6 - Magnetic field lines provide a convenient way to...Ch. 6 - In a drawing of magnetic field lines, the weaker...Ch. 6 - Prob. 20MCCh. 6 - Prob. 21MCCh. 6 - Prob. 22MCCh. 6 - Prob. 23MCCh. 6 - Prob. 24MCCh. 6 - Prob. 25MCCh. 6 - Prob. 26MCCh. 6 - Prob. 27MCCh. 6 - A generator is said to generate electricity. What...Ch. 6 - Prob. 29MCCh. 6 - Prob. 30MCCh. 6 - If 105 electrons are added to a neutral object,...Ch. 6 - A positive and a negative charge are initially 4...Ch. 6 - The force between two charges of 3 109 C that are...Ch. 6 - Five joules of work are needed to shift 10 C of...Ch. 6 - When the voltage across a certain resistance is V,...Ch. 6 - The voltage needed to produce a current of 5 A in...Ch. 6 - The resistance of a lightbulb that draws a current...Ch. 6 - The current in a 40-W, 120-V electric lightbulb is...Ch. 6 - A cars storage battery is being charged at a rate...Ch. 6 - A 120-V, 1-kW electric heater is mistakenly...Ch. 6 - A 240-V, 1-kW electric heater is mistakenly...Ch. 6 - Prob. 42MCCh. 6 - What reasons might there be for the universal...Ch. 6 - Electricity was once thought to be a weightless...Ch. 6 - A plastic ball has a charge of +1012 C. (a) Does...Ch. 6 - Why does the production of electricity by friction...Ch. 6 - Prob. 5ECh. 6 - Compare the basic characters of electric and...Ch. 6 - Find the total charge of 1 g of protons.Ch. 6 - Is there any distance at which the gravitational...Ch. 6 - When two objects attract each other electrically,...Ch. 6 - How do we know that the force holding the earth in...Ch. 6 - A hydrogen molecule consists of two hydrogen atoms...Ch. 6 - A charge of +2 107 C is 10 cm from a charge of 6 ...Ch. 6 - A charge of +3 109 C is 50 cm from a charge of 5 ...Ch. 6 - Two charges repel each other with a force of 0.1 N...Ch. 6 - Two charges originally 80 mm apart are brought...Ch. 6 - Two small spheres are given identical positive...Ch. 6 - (a) A metal sphere with a charge of +1 105 C is...Ch. 6 - Suppose the force between the earth and the moon...Ch. 6 - How far apart are two charges of +1 108 C that...Ch. 6 - How is the movement of electricity through air...Ch. 6 - One terminal of a battery is connected to a...Ch. 6 - Why do you think bending a wire does not affect...Ch. 6 - What basic aspect of superconductivity has...Ch. 6 - Sensitive instruments can detect the passage of as...Ch. 6 - (a) The capacity of a battery is usually quoted in...Ch. 6 - The energy stored in a certain 12-V battery is 3...Ch. 6 - The potential difference between a cloud and the...Ch. 6 - (a) A person can be electrocuted while taking a...Ch. 6 - How much current is drawn by a 240-V water heater...Ch. 6 - Prob. 30ECh. 6 - Prob. 31ECh. 6 - A fuse prevents more than a certain amount of...Ch. 6 - Should a fuse be connected in series or in...Ch. 6 - Heavy users of electric power, such as large...Ch. 6 - How are the terminals of a set of batteries...Ch. 6 - Prob. 36ECh. 6 - (a) If a 75-W lightbulb is connected to a 120-V...Ch. 6 - Prob. 38ECh. 6 - Prob. 39ECh. 6 - Prob. 40ECh. 6 - Prob. 41ECh. 6 - Prob. 42ECh. 6 - Prob. 43ECh. 6 - Prob. 44ECh. 6 - A 1.35-V mercury cell with a capacity of 1.5 A h...Ch. 6 - Prob. 46ECh. 6 - Prob. 47ECh. 6 - Prob. 48ECh. 6 - Prob. 49ECh. 6 - A current flows west through a power line. Find...Ch. 6 - Prob. 51ECh. 6 - Prob. 52ECh. 6 - Two parallel wires carry currents in the same...Ch. 6 - Prob. 54ECh. 6 - A current-carrying wire is in a magnetic field....Ch. 6 - Prob. 56ECh. 6 - Prob. 57ECh. 6 - Prob. 58ECh. 6 - Prob. 59ECh. 6 - Prob. 60ECh. 6 - Prob. 61ECh. 6 - Prob. 62ECh. 6 - Prob. 63ECh. 6 - Given a coil of wire and a small lightbulb, how...Ch. 6 - Prob. 65ECh. 6 - Prob. 66ECh. 6 - A transformer rated at a maximum power of 10 kW is...Ch. 6 - An electric welding machine uses a current of 400...
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
- If the current carried by a conductor is doubled, what happens to (a) the charge carrier density, (b) the current density, (c) the electron drift velocity, and (d) the average time interval between collisions?arrow_forward1. (a) A certain conductor has a resistance of 10 ohms. It is placed between the poles of a cell whose potential is 5 volts. What current will pass through the conductor if the voltage remains constant at the value given? (b) How many coulombs of electricity will pass through the conductor if this current is maintained for 20 minutes? c) what will be the energy expended during this time interval?arrow_forwardUsing this information, estimate the following quantities (a) total amount of charge transferred between cloud and ground (b) the current in the lightning bolt (c) the power delivered in 0.2 s. Given data: Energy transferred U- 10° K Voltage V 5 x 107 V Time t=0.25 Charge q= ? Current I=? Power delivered in 0a?arrow_forward
- A battery has an emf of 12 V. When a load resistance of 4 ohms is connected to the battery terminals, a current of 2 A flows through it. Calculate the internal resistance of this battery.arrow_forwardSuppose 1.67 C of charge passes through the filament of a light bulb in 2.00 seconds. How many electrons pass through the filament in 5.00 s? Express all numerical values in three significant figures. The current in the light bulb is: | = milliamperes The total amount of charge passing through the filament int=5.00 s is: coulombs Since a single electron has a charge of -1.60 × 10¬19 C, the number of electrons passing through the filament in t=5.00 s is: N = x 1019 electronsarrow_forwardA certain type of rechargeable battery can deliver a current of 0.6A for 400s, before its voltage drops and it needs to be recharged. Calculate: a) The total charge that battery can deliver before it needs to be recharged. b) The maximum time the battery could be used for without being recharged if the current through it were 0.7A. State your answer corrects to 2 decimal places.arrow_forward
- Over the course of an 8 hour day, 3.8x104 C of charge | A 0.50-W, 220- 2 resistor carries the maximum current pass through a typical computer (presuming it is in use possible without damaging the resistor. If the current the entire time). Determine the current for such a were reduced to half the value, what would be the computer. power consumed? Three resistors are connected in series with a voltage Source of 48. V. A 100Q, a 2.50-kSQ, and a 4.00-kQ resistor what is the current on 100 Q resistor?arrow_forwardIf a battery is rated at 57.9 A · h, how much total charge can it deliver before it goes "dead"?arrow_forwardConsider a lightning bolt carrying a 21000-A current through a voltage of 0.95 × 102 MV and lasting 0.95 ms. (a) What energy, in joules, is dissipated by the lightning bolt? (b) What mass of tree sap, in kilograms, could be raised from 18.0ºC to its boiling point and then evaporated by this energy, assuming sap has the same thermal characteristics as water (specific heat of 4186 J/(kg⋅K) and heat of evaporation 2256 kJ/kg)?arrow_forward
- A piece of Nichrome wire has a radius of 5.0x 104 m. It is used in a laboratory to make a heater that dissipates 4.00x102W of power when connected to a voltage source of 150 V. Ignoring the effect of temperature on resistance, estimate the necessary length of wire. Number Unitsarrow_forwardWhat is the current in a circuit if 15 C of electric charge move past a given point in 10 seconds? Assuming total conversion of electrical energy to heat energy, how much heat is produced by a 20-W heating unit in 6 s? A storage battery has an EMF of 30 V and an internal resistance 0.25 omega. Compare the terminal voltage (a) when it is delivering a current of 8 A and (b) when it is being charged with 8 A.arrow_forwardA heart defibrillator passes 12 A of current through a patient's torso for 3×10-3 s to restore normal beating of the heart. (a) How much charge passed through the patient's body? (b) What voltage was used if a total energy of 300 J was dissipated by the current? (c) Estimate the resistance of the electrical path through the person. State any assumptions made in answering this question.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author: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
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
DC Series circuits explained - The basics working principle; Author: The Engineering Mindset;https://www.youtube.com/watch?v=VV6tZ3Aqfuc;License: Standard YouTube License, CC-BY