College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 20, Problem 10PE
A clock battery wears out after moving 10,000 C of charge through the clock at a rate of 0.500 mA. (a) How long did the clock run? (b) How many electrons per second flowed?
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
What is the energy stored in such a cell membrane if the potential difference across it is 7.05×10−2 VV ?
Express your answer using two significant figures.
A proton moves from a location where V = 75 V to a spot where V= 220 V. (a) What is the change in
the proton's kinetic energy? (b) If we replace the proton with an electron, what is the change in kinetic
energy?
At home I have a 350W motorized washing machine that I use to wash three times a week, 2 batches of clothes of 22 minutes each each time. Based on this problem, answer the following questions:
a) How much energy in Joules do I "consume" in a year? (use 52 weeks for your calculation)
b) based on the conditions of the previous question, what consumption would you have in kWh?
c) How much do I pay, annually, in dollars, for the use of the washing machine, if the rate for energy from my electric company is 0.17443 / kWh?
Chapter 20 Solutions
College Physics
Ch. 20 - Can a wire carry a current and still be...Ch. 20 - Car batteries are rated in ampere-hours (A h )....Ch. 20 - If two different wires having identical...Ch. 20 - Why are two conducting paths from a voltage source...Ch. 20 - In cars, one battery terminal is connected to the...Ch. 20 - Why isn't a bird sitting on a high-voltage power...Ch. 20 - The IR drop across a resistor means that there is...Ch. 20 - How is the I R drop in a resistor similar to the...Ch. 20 - In which of the three semiconducting materials...Ch. 20 - Does the resistance of an object depend on the...
Ch. 20 - If aluminum and copper wires of the same length...Ch. 20 - Explain why R=R0(1 + a?T) for the temperature...Ch. 20 - Why do incandescent lightbulbs grow dim late in...Ch. 20 - The power dissipated in a resistor is given by P =...Ch. 20 - Give an example of a use of AC power other than in...Ch. 20 - Why do voltage, current, and power go through zero...Ch. 20 - You are riding in a train, gazing into the...Ch. 20 - Using an ohmmeter, a student measures the...Ch. 20 - What are the two major hazards of electricity?Ch. 20 - Why isn’t a short circuit a shock hazard?Ch. 20 - What determines the severity of a shock? Can you...Ch. 20 - An electrified needle is used to burn off warts,...Ch. 20 - Some surgery is performed with high-voltage...Ch. 20 - Some devices often used in bathrooms, such as...Ch. 20 - We are often advised to not flick electric...Ch. 20 - Before working on a power transmission line,...Ch. 20 - Why is the resistance of wet skin so much smaller...Ch. 20 - Could a person on intravenous infusion (an IV) be...Ch. 20 - In view of the small currents that cause shock...Ch. 20 - Note that in Figure 20.28, both the concentration...Ch. 20 - Define depolarization, repolarization, and the...Ch. 20 - Explain the properties of myelinated nerves in...Ch. 20 - What is the current in milliamperes produced by...Ch. 20 - A total of 600 C of charge passes through a...Ch. 20 - What is the current when a typical static charge...Ch. 20 - Find the current when 2.00 nC jumps between your...Ch. 20 - A large lightning bolt had a 20,000-A current and...Ch. 20 - The 200-A current through a spark plug moves 0.300...Ch. 20 - (a) A defibrillator sends a 6.00-A current through...Ch. 20 - During open-heart surgery, a defibrillator can be...Ch. 20 - (a) A defibrillator passes 12.0 A of current...Ch. 20 - A clock battery wears out after moving 10,000 C of...Ch. 20 - The batteries of a submerged non-nuclear submarine...Ch. 20 - Electron guns are used in X-ray tubes. The...Ch. 20 - A large cyclotron directs a beam of He ++ nuclei...Ch. 20 - Repeat the above example on Example 20.3, but for...Ch. 20 - Using the results of the above example on Example...Ch. 20 - A 14-gauge copper wire has a diameter of 1.628 mm....Ch. 20 - SPEAR, a storage ring about 72.0 m in diameter at...Ch. 20 - What current flows through the bulb of a 3.00-V...Ch. 20 - Calculate the effective resistance of a pocket...Ch. 20 - What is the effective resistance of a car’s...Ch. 20 - How many volts are supplied to operate an...Ch. 20 - (a) F ind the voltage drop in an extension cord...Ch. 20 - A power transmission line is hung from metal...Ch. 20 - What is the resistance of a 20.0-m-long piece of...Ch. 20 - The diameter of 0-gauge copper wire is 8.252 mm....Ch. 20 - If the 0.100-mm diameter tungsten filament in a...Ch. 20 - Find the ratio of the diameter of aluminum to...Ch. 20 - What current flows through a 2.54-cm-diameter rod...Ch. 20 - (a) To what temperature must you raise a copper...Ch. 20 - A resistor made of Nichrome wire is used in an...Ch. 20 - Of what material is a resistor made if its...Ch. 20 - An electronic device designed to operate at any...Ch. 20 - a) Of what material is a wire made, if it is 25.0...Ch. 20 - Assuming a constant temperature coefficient of...Ch. 20 - A wire is drawn through a die, stretching it to...Ch. 20 - A copper wire has a resistance of 0.500at 20.0°C,...Ch. 20 - (a) Digital medical thermometers determine...Ch. 20 - Integrated Concepts (a) Redo Exercise 20.25 taking...Ch. 20 - Unreasonable Results (a) To what temperature must...Ch. 20 - What is the power of a 1.00 102 MV lightning boit...Ch. 20 - What power is supplied to the starter motor of a...Ch. 20 - A charge of 4.00 C of charge passes through a...Ch. 20 - How many watts does a flashlight that has 6.00102C...Ch. 20 - Find the power dissipated in each of these...Ch. 20 - Verify that the units of a volt-ampere are watts,...Ch. 20 - Show that the units 1 V2/=1W , as implied by the...Ch. 20 - Show that the units 1 A 2 = 1W, as implied by the...Ch. 20 - Verify the energy unit equivalence that 1 kWh =...Ch. 20 - Electrons in an X-ray tube are accelerated through...Ch. 20 - An electric water heater consumes 5.00 kW for 2.00...Ch. 20 - With a 1200-W toaster, how much electrical energy...Ch. 20 - What would be the maximum cost of a CFL such that...Ch. 20 - Some makes of older cars have 6.00-V electrical...Ch. 20 - Alkaline batteries have the advantage of putting...Ch. 20 - A cauterizer, used to stop bleeding in surgery,...Ch. 20 - The average television is said to be on 6 hours...Ch. 20 - An old lightbulb draws only 50.0 W, rather than...Ch. 20 - -gauge copper wire has a diameter of 9.266 mm....Ch. 20 - Integrated Concepts Cold vaporizers pass a current...Ch. 20 - Integrated Concepts (a) What energy is dissipated...Ch. 20 - Integrated Concepts What current must be produced...Ch. 20 - Integrated Concepts How much time is needed for a...Ch. 20 - Integrated Concepts Hydroelectric generators (see...Ch. 20 - Integrated Concepts (a) Assuming 95.0% efficiency...Ch. 20 - Integrated Concepts A light-rail commuter train...Ch. 20 - Integrated Concepts (a) An aluminum power...Ch. 20 - Integrated Concepts (a) An immersion heater...Ch. 20 - Integrated Concepts (a) What is the cost of...Ch. 20 - Unreasonable Results (a) What current is needed to...Ch. 20 - Unreasonable Results (a) What current is needed to...Ch. 20 - Construct Your Own Problem Consider an electric...Ch. 20 - (a) What is the hot resistance of a 25-W light...Ch. 20 - Certain heavy industrial equipment uses AC power...Ch. 20 - A certain circuit breaker trips when the rms...Ch. 20 - Military aircraft use 400-Hz AC power, because it...Ch. 20 - A North American tourist takes his 25.0-W, 120-V...Ch. 20 - In this problem, you will verify statements made...Ch. 20 - A small office-building air conditioner operates...Ch. 20 - What is the peak power consumption of a 12G-V AC...Ch. 20 - What is the peak current through a 500-W room...Ch. 20 - Two different electrical devices have the same...Ch. 20 - Nichrome wire is used in some radiative heaters....Ch. 20 - Find the time after t = 0 when the instantaneous...Ch. 20 - (a) At what two times in the first period...Ch. 20 - (a) Haw much power is dissipated in a short...Ch. 20 - What voltage is involved in a 1.44-kW short...Ch. 20 - Find the current through a person and identify the...Ch. 20 - While taking a bath, a person touches the metal...Ch. 20 - Foolishly trying to fish a burning piece of bread...Ch. 20 - (a) During surgery, a current as small as 20.0 ?...Ch. 20 - (a) What is the resistance of a 220-V AC short...Ch. 20 - A heart defibrillator passes 10.0 A through a...Ch. 20 - Integrated Concepts A short circuit in a 120-V...Ch. 20 - Construct Your Own Problem Consider a person...Ch. 20 - Integrated Concepts Use the ECG in Figure 20.34 to...Ch. 20 - Integrated Concepts (a) Referring to Figure 20.34,...
Additional Science Textbook Solutions
Find more solutions based on key concepts
60. You are 9.0 m from the door of your bus, behind the bus, when it pulls away with an acceleration of 1.0 m/...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
1. A cyclist goes around a level, circular track at constant speed. Do you agree or disagree with the following...
College Physics: A Strategic Approach (3rd Edition)
Compare the brightness of the bulbs in this circuit. 1. What can you conclude from your observation about the a...
Tutorials in Introductory Physics
The proton is a composite particle composed of three quarks, all of which are either up quarks (u; charge +23e)...
Essential University Physics: Volume 2 (3rd Edition)
11. (II) Determine the vector , given the vectors and in Fig. 3-35
Physics: Principles with Applications
3. Suppose the door of a room makes an airtight, but frictionless, fit in its frame. Do you think you could ope...
College Physics (10th Edition)
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
- Speedometer readings for a motorcycle at 12-second intervals are given in the table. t (s) 0 12 24 36 48 60 v (ft/s) 32 27 24 22 24 28 (a) Estimate the distance traveled by the motorcycle during this time period using the velocities at the beginning of the time intervals. ft(b) Give another estimate using the velocities at the end of the time periods. ft(c) Are your estimates in parts (a) and (b) upper and lower estimates? Explain. (a) is a lower estimate and (b) is an upper estimate since v is an increasing function of t. (a) and (b) are neither lower nor upper estimates since v is neither an increasing nor decreasing function of t. (b) is a lower estimate and (a) is an upper estimate since v is a decreasing function of t.arrow_forwardWhen a camera flash goes off, the batteries immediately begin to recharge the flash's capacitor, which stores electric charge given by the following. Q(t) = Q0(1 − e−t/a) (The maximum charge capacity is Q0 and t is measured in seconds.) (a) Find the inverse of this function.t(Q) = ____Explain its meaning. This gives us the time t necessary to obtain a given charge Q. This gives us the charge Q obtained within a given time t. This gives us the time t with respect to the maximum charge capacity Q0. (b) How long does it take to recharge the capacitor to 85% of capacity if a = 7? (Round your answer to one decimal place.)______ secarrow_forwardA 2000-kg electric car uses a 350-V battery pack. The car starts from rest and 4000 C flows from the battery. What's the maximum speed the car can reach during this time? Unloadarrow_forward
- Refer to Multiple-Concept Example 3 to review the concepts that are needed here. A cordless electric shaver uses energy at a rate of 4.5 W from a rechargeable 1.5-V battery. Each of the charged particles that the battery delivers to the shaver carries a charge that has a magnitude of 1.6 x 10-19 C. A fully charged battery allows the shaver to be used for its maximum operation time, during which 2.8 x 1022 of the charged particles pass between the terminals of the battery as the shaver operates. What is the shaver's maximum operation time? Number Unitsarrow_forwardRefer to Multiple-Concept Example 3 to review the concepts that are needed here. A cordless electric shaver uses energy at a rate of 3.5 W from a rechargeable 1.8-V battery. Each of the charged particles that the battery delivers to the shaver carries a charge that has a magnitude of 1.6 x 10-19 C. A fully charged battery allows the shaver to be used for its maximum operation time, during which 4.0 x 1022 of the charged particles pass between the terminals of the battery as the shaver operates. What is the shaver's maximum operation time?arrow_forwardA clock battery wears out after moving 10,000 C of charge through the clock at a rate of 0.500 mA. How many electrons per second flowed?arrow_forward
- The leaves of a tree lose water to the atmosphere via the process of transpiration. A particular tree loses water at the rate of 4.0 x 10-8 m3/s. What mass of water is lost over the course of a single day? (Use 1000 kg/m3 for the density of water). 3.456 v kg This water is replenished by the upward flow of sap through vessels in the tree's trunk. If the trunk contains about 1800 vessels, each 0.1 mm in diameter, what is the speed of the sap flowing in the vessels? 0.243 x mm/sarrow_forwardTo recharge a 12 V battery, a battery charger must move 3.2 ✕ 105 C of charge from the negative terminal to the positive terminal. How much work is done by the battery charger? Express your answer in joules.arrow_forwardCardiac defibrillators must be able to supply a high voltage very quickly, and so use capacitors. If a certain defibrillator has a 154 µF capacitor charges to 2,697 V. If this electrical charge is released into the patient in a time of 4.85 milliseconds, what is the (average) power, in watts?arrow_forward
- To recharge a 10 V battery, a battery charger must move 3.6 ✕ 105 C of charge from the negative terminal to the positive terminal. How much work is done by the charger? Express your answer in joules.arrow_forwardTo recharge a 12 V battery, a battery charger must move 3.7 x 10° C of charge from the negative terminal to the positive terminal. How much work is done by the battery charger? Answer in units of J.arrow_forwardWhen a battery is connected to a capacitor (device that stores charge) the charge q builds up - t - e according to the equation q = qo(1- ), where %o is the maximum charge and T is a constant. At what time t does the charge reach 10% of its maximum value? (Note: Enter your answer in terms of tau, T, using the Greek letters in MathType.) t10% = Sarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
8.02x - Lect 1 - Electric Charges and Forces - Coulomb's Law - Polarization; Author: Lectures by Walter Lewin. They will make you ♥ Physics.;https://www.youtube.com/watch?v=x1-SibwIPM4;License: Standard YouTube License, CC-BY