College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 22, Problem 14CQ
Discuss how the Hall effect could be used to obtain information on free charge density in a conductor. (Hint: Consider how drift velocity and current are related.)
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Discuss how the Hall effect could be used to obtain information on free charge density in a conductor. (Hints: Consider how drift velocity and current are related)
asap with formula.
discuss how current flows in n type and p type semi-conductors
Chapter 22 Solutions
College Physics
Ch. 22 - Volcanic and other such activity at the...Ch. 22 - Explain why the magnetic field would not be unique...Ch. 22 - List the ways in which magnetic field lines and...Ch. 22 - Noting that the magnetic field lines of a bar...Ch. 22 - Is the Earth's magnetic field parallel to the...Ch. 22 - If a charged particle moves in a straight line...Ch. 22 - How can the motion of a charged particle be used...Ch. 22 - High-velocity charged particles can damage...Ch. 22 - If a cosmic ray proton approaches the Earth from...Ch. 22 - What are the signs of the charges on the particles...
Ch. 22 - Which of the particles in Figure 22.47 has the...Ch. 22 - Which of the particles in Figure 22.47 has the...Ch. 22 - While operating, a high-precision TV monitor is...Ch. 22 - Discuss how the Hall effect could be used to...Ch. 22 - Draw a sketch of the situation in Figure 22.30...Ch. 22 - Verify than the direction of the line force in an...Ch. 22 - Why would a magnetohydrodynamic drive work better...Ch. 22 - Which is more likely to interfere with compass...Ch. 22 - Draw a diagram and use RHR-l to show that the...Ch. 22 - Make a drawing and use RHR—2 to find the direction...Ch. 22 - Is the force attractive or repulsive between the...Ch. 22 - It you have three parallel wires in the same...Ch. 22 - Suppose two long straight wires run perpendicular...Ch. 22 - Use the right hand rules to show that the force...Ch. 22 - If one of the loops in Figure 22.49 is titled...Ch. 22 - Electric field lines can be shielded by me Faraday...Ch. 22 - Measurements at the weak and ?uctuating magnetic...Ch. 22 - Discuss the possibility that a Hall voltage would...Ch. 22 - A patient in an MRI unit turns his head quickly to...Ch. 22 - You are told that in a certain region there is...Ch. 22 - An example of magnetohydrodynamics (MHD) comes...Ch. 22 - Draw gravitational field lines between 2 masses,...Ch. 22 - What is the direction of the magnetic force on a...Ch. 22 - Repeal Exercise 22.1 for a negative charge.Ch. 22 - What is the direction of the velocity of a...Ch. 22 - Repeal Exercise 22.3 for a positive charge.Ch. 22 - What is the direction of the magnetic field that...Ch. 22 - Repeal Exercise 22.5 for a negative charge.Ch. 22 - What is the maximum force on an aluminum rod with...Ch. 22 - (a) Aircraft sometimes acquire small static...Ch. 22 - (a) A cosmic ray proton moving toward the Earth at...Ch. 22 - An electron moving at 4.00103m/s in a 1.25T...Ch. 22 - (a) A physicist performing a sensitive measurement...Ch. 22 - A cosmic ray electron moves at 7.50106m/s...Ch. 22 - A proton moves at 7.50107m/s perpendicular to a...Ch. 22 - (a) Viewers of Star Trek hear of an antimatter...Ch. 22 - (a) An oxygen16 ion with a mass at 2.661026kg...Ch. 22 - What radius circular path does an electron travel...Ch. 22 - A velocity selector in a mass spectrometer uses a...Ch. 22 - An electron in a TV CRT moves with a speed at...Ch. 22 - (a) At what speed will a proton move in a circular...Ch. 22 - A mass spectrometer is being used to separate...Ch. 22 - (a) Triply charged uranium-235 and uranium-238...Ch. 22 - A large water main is 2.50 m in diameter and the...Ch. 22 - What Hall voltage is produced by a 0.200T field...Ch. 22 - (a) What is the speed of a supersonic aircraft...Ch. 22 - A nonmechanical water meter could utilize the Hall...Ch. 22 - Calculate the Hall voltage induced on a patient’s...Ch. 22 - A Hall probe calibrated to read 1.00V when placed...Ch. 22 - Using information in Example 20.6, what would the...Ch. 22 - Show that the Hall voltage across wires made of...Ch. 22 - A patient with a pacemaker is mistakenly being...Ch. 22 - What is the direction of the magnetic force on the...Ch. 22 - What is the direction of a current that...Ch. 22 - What is the direction of the magnetic field that...Ch. 22 - (a) What is the force per meter on a lightning...Ch. 22 - (a) A DC power line for a light-rail system...Ch. 22 - What force is exerted on the water in an MHD drive...Ch. 22 - A wire carrying a 30.0-A current passes between...Ch. 22 - (a) A 0.750-m-long section of cable carrying...Ch. 22 - (a) What is the angle between a wire carrying an...Ch. 22 - The force on the rectangular loop of wire in the...Ch. 22 - (a) By how many percent is the torque of a motor...Ch. 22 - (a) What is me maximum torque on a 150Turn square...Ch. 22 - Find the current through a loop needed to create a...Ch. 22 - Calculate the magnetic field strength needed on a...Ch. 22 - Since the equation for torque on a...Ch. 22 - (a) At what angle (is the torque on a current loop...Ch. 22 - A proton has a magnetic field due to its spin on...Ch. 22 - (a) A 200Turn circular loop of radius 50.0 cm is...Ch. 22 - Repeat Exercise 22.41, but with the loop lying...Ch. 22 - (a) The hot and neutral wires supplying DC power...Ch. 22 - The force per meter between the two wires of a...Ch. 22 - A 2.50m segment of wire supplying current to the...Ch. 22 - The wire carrying 400 A to The motor of a commuter...Ch. 22 - An AC appliance cord has its hot and neutral wires...Ch. 22 - Figure 22.57 shows a long straight wire near a...Ch. 22 - Find the direction and magnitude of the force that...Ch. 22 - Find the direction and magnitude of the force that...Ch. 22 - Indicate whether the magnetic field created in...Ch. 22 - What are the directions of the fields in the...Ch. 22 - What are the directions of the currents in the...Ch. 22 - To see why an MRI utilizes iron to increase the...Ch. 22 - Inside a motor, 30.0 A passes through a 250-turn...Ch. 22 - Nonnuclear submarines use batteries for power when...Ch. 22 - How strong is the magnetic field inside a solenoid...Ch. 22 - What current is needed in the solenoid described...Ch. 22 - How far from the starter cable of a car, carrying...Ch. 22 - Measurements affect the system being measured,...Ch. 22 - Figure 22.62 shows a long straight wire just...Ch. 22 - Find the magnitude and direction of the magnetic...Ch. 22 - Find the magnitude and direction of the magnetic...Ch. 22 - What current is needed in the top wire in Figure...Ch. 22 - Calculate the size of the magnetic field 20 m...Ch. 22 - Integrated Concepts A pendulum is set up so that...Ch. 22 - Integrated Concepts (a) What voltage will...Ch. 22 - Integrated Concepts Find the radius of curvature...Ch. 22 - Integrated Concepts To construct a nonmechanical...Ch. 22 - Integrated Concepts (a) Using the values given for...Ch. 22 - Integrated Concepts (a) Calculate the maximum...Ch. 22 - Integrated Concepts A current balance used to...Ch. 22 - Integrated Concepts (a) Show that the period of...Ch. 22 - Integrated Concepts A cyclotron accelerates...Ch. 22 - Integrated Concepts (a) A 0.140-kg baseball,...Ch. 22 - Integrated Concepts (a) What is the direction of...Ch. 22 - Integrated Concepts One long straight wire is to...Ch. 22 - Unreasonable Results (a) Find the charge on a...Ch. 22 - Unreasonable Results A charged particle having...Ch. 22 - Unreasonable Results An inventor wants to generate...Ch. 22 - Unreasonable Results Frustrated by the small Hall...Ch. 22 - Unreasonable Results A surveyor 100 m from a long...Ch. 22 - Construct Your Own Problem Consider a mass...Ch. 22 - Construct Your Own Problem Consider using the...
Additional Science Textbook Solutions
Find more solutions based on key concepts
The electromagnetic spectrum of light is often arranged in terms of frequency. Which one of the following has t...
Lecture- Tutorials for Introductory Astronomy
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
1. a. Can a vector have nonzero magnitude if a component is zero? If no, why not? If yes, give an example.
b. C...
College Physics: A Strategic Approach (3rd Edition)
18. (I) How much work must be done to stop a 925-kg car travelling at 95 km/h?
Physics: Principles with Applications
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 (4th 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
- How many free electrons are there in a rectangular block of a conductor whose dimension is 8 m by 4 m by 3 m? The electrons of this conductor have a drift velocity of 4 m/s when a 9.6 A of currentis applied thru a cross-sectional area of 0.005 m2 Use electronic charge of 1.6 x 10 –19 coulomb per electron. Express your answer in scientific notation whose unit is electrons per cubic meter.arrow_forwardExplain Why an insulated small diameter wire has a higher current carrying capacity than an uninsulated one? I need the answer with full explanation and ASAParrow_forwardA typical wire for laboratory experiments is made of copper and has a radius 0.815 mm.Calculate the drift speed of electrons in such a wire carrying a current of 1 A, assuming one freeelectron per atom. (density of copper 8.93 g/cm3 and molar mass of copper 63.5 g/mol)arrow_forward
- . Compare the drift velocities and electric currents in twowires that are geometrically identical and the density ofatoms is similar, but the number of free electrons per atomin the material of one wire is twice that in the other.arrow_forwardA gold wire of 5 mm radius carries a current of 2 A. If the density of free electrons in gold is 5.9x10-8 electron/m, then find the drift speed (in um/s) of the electrons. (write the answer to 2 decimal points).arrow_forwardFor how long time period should a flow of 10^19 electrons be maintained between two points A and B to have a constant current of 8 A between them?arrow_forward
- If the density and atomic mass of copper are respectively 8.80 x 103 kg/m3 and 63.5 kg/kmol (note that 1 kmol = 1,000 mol), and copper has one free electron per copper atom, determine the following. (a) the drift speed of the electrons in a 10 gauge copper wire (2.588 mm in diameter) carrying a 12.5 A current m/s (b) the Hall voltage if a 3.08 T field is applied perpendicular to the wire Varrow_forwardCalculate the magnitude of the current density in a conductor if there are 5x10 ^ (28) (conduction electrons) / m ^ 3 and the drift velocity of the electron is 0.05 mm / sec one of these answers a-)400 A/m2 b-)400 MA/m2 c-)400 KA/m2 d-)4 MA/m2arrow_forwardCan someone correct this, I've been struggling.arrow_forward
- If the density and atomic mass of copper are respectively 8.80 x 103 kg/m3 and 63.5 kg/kmol (note that 1 kmol = 1,000 mol), and copper has one free electron per copper atom, determine the following. (a) the drift speed of the electrons in a 10 gauge copper wire (2.588 mm diameter) carrying a 12.5 A current m/s (b) the Hall voltage if a 1.48 T field is applied perpendicular to the wirearrow_forwardIf the density and atomic mass of copper are respectively 8.80 103 kg/m3 and 63.5 kg/kmol (note that 1 kmol = 1,000 mol), and copper has one free electron per copper atom, determine the following. (a) the drift speed of the electrons in a 10 gauge copper wire (2.588 mm in diameter) carrying a 30.5 A current m/s(b) the Hall voltage if a 1.18 T field is applied perpendicular to the wire Varrow_forwardMathematically, the current density in a conductor is given as: The answer cannot be found on the other choices. The ratio of the current in the conductor to the cross-sectional area of the conductor. The ratio of the current in the conductor to the volume of the conductor. The ratio of the current in the conductor to the length of the conductor.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Circuits, Voltage, Resistance, Current - Physics 101 / AP Physics Review with Dianna Cowern; Author: Physics Girl;https://www.youtube.com/watch?v=q8X2gcPVwO0;License: Standard YouTube License, CC-BY