WILEY PLUS ACCESS CODE
11th Edition
ISBN: 9781119459163
Author: Halliday
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Question
Chapter 28, Problem 91P
To determine
To express:
The number density of charge carriers in terms of electric field magnitude E, the current density magnitude J, and the magnetic field magnitude
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
In a Hall-effect experiment, express the number density of charge carriers in terms of the Hall-effect electric field magnitude E, the current density magnitude J, and the magnetic field magnitude B.
Figure shows a cross section of a hollow cylindrical conductor of radii
a and b, carrying a uniformly distributed current i.
(a) What the equation of the magnetic field magnitude B(r) for the radial distance r in the range b < r < a (b) What is the magnetic field strength when r = a
(c) What is the magnetic field strength when r = b
(d) What is the magnetic field strength when b = 0
In order to go through a velocity selector undisturbed, the magnetic and electric force on charge q=7.1 mC need to cancel out (as
in, they have to point in opposite directions and their magnitudes have to be the same).
Determine the velocity of the charge that can travel through a velocity selector that provides electric field of magnitude
E=2.99×10³ V/m and magnetic field B=7.71 mT.
Provide your answer in km/s.
Chapter 28 Solutions
WILEY PLUS ACCESS CODE
Ch. 28 - Prob. 1QCh. 28 - Prob. 2QCh. 28 - Prob. 3QCh. 28 - Prob. 4QCh. 28 - In Module 28-2, we discussed a charged particle...Ch. 28 - Prob. 6QCh. 28 - Figure 28-27 shows the path of an electron that...Ch. 28 - Figure 28-28 shows the path of an electron in a...Ch. 28 - Prob. 9QCh. 28 - Particle round about. Figure 28-29 shows 11 paths...
Ch. 28 - Prob. 11QCh. 28 - Prob. 12QCh. 28 - Prob. 1PCh. 28 - A particle of mass 10 g and charge 80 C moves...Ch. 28 - An electron that has an instantaneous velocity of...Ch. 28 - An alpa particle travels at a velocity of...Ch. 28 - GO An electron moves through a unifrom magnetic...Ch. 28 - Prob. 6PCh. 28 - Prob. 7PCh. 28 - An electric field of 1.50 kV/m and a perpendicular...Ch. 28 - ILW In Fig. 28-32, an electron accelerated from...Ch. 28 - A proton travels through uniform magnetic and...Ch. 28 - Prob. 11PCh. 28 - Go At time t1 an electron is sent along the...Ch. 28 - Prob. 13PCh. 28 - A metal strip 6.50 cm long, 0.850 cm wide, and...Ch. 28 - Prob. 15PCh. 28 - Prob. 16PCh. 28 - An alpha particle can be produced in certain...Ch. 28 - Prob. 18PCh. 28 - Prob. 19PCh. 28 - Prob. 20PCh. 28 - SSM An electron of kinetic energy 1.20 keV circles...Ch. 28 - In a nuclear experiment a proton with kinetic...Ch. 28 - What uniform magnetic field, applied perpendicular...Ch. 28 - An electron is accelerated from rest by a...Ch. 28 - a Find the frequency of revolution of an electron...Ch. 28 - Prob. 26PCh. 28 - A mass spectrometer Fig. 28-12 is used to separate...Ch. 28 - A particle undergoes uniform circular motion of...Ch. 28 - An electron follows a helical path in a uniform...Ch. 28 - GO In Fig. 28-40. an electron with an initial...Ch. 28 - A particular type of fundamental particle decays...Ch. 28 - An source injects an electron of speed v = 1.5 ...Ch. 28 - Prob. 33PCh. 28 - An electron follows a helical path in a uniform...Ch. 28 - A proton circulates in a cyclotron, beginning...Ch. 28 - Prob. 36PCh. 28 - Prob. 37PCh. 28 - In a certain cyclotron a proton moves in a circle...Ch. 28 - SSM A horizontal power line carries a current of...Ch. 28 - A wire 1.80 m long carries a current of 13.0 A and...Ch. 28 - Prob. 41PCh. 28 - Prob. 42PCh. 28 - A single-turn current loop, carrying a current of...Ch. 28 - Prob. 44PCh. 28 - ACA /ACwire 50.0 cm long carries a 0.500 A current...Ch. 28 - In Fig. 28-44, a metal wire of mass m = 24.1 mg...Ch. 28 - GO A 1.0 kg copper rod rests on two horizontal...Ch. 28 - GO A long, rigid conductor, lying along an x axis,...Ch. 28 - Prob. 49PCh. 28 - An electron moves in a circle of radius r = 5.29 ...Ch. 28 - Prob. 51PCh. 28 - Prob. 52PCh. 28 - Prob. 53PCh. 28 - A magnetic dipole with a dipole moment of...Ch. 28 - Prob. 55PCh. 28 - Prob. 56PCh. 28 - Prob. 57PCh. 28 - Prob. 58PCh. 28 - A Current loop, carrying a current of 5.0 A, is in...Ch. 28 - Prob. 60PCh. 28 - Prob. 61PCh. 28 - Prob. 62PCh. 28 - A circular loop of wire having a radius of 8.0 cm...Ch. 28 - GO Figure 28-52 gives the orientation energy U of...Ch. 28 - Prob. 65PCh. 28 - Prob. 66PCh. 28 - A stationary circular wall clock has a face with a...Ch. 28 - A wire lying along a y axis from y = 0 to y =...Ch. 28 - Atom 1 of mass 35 u and atom 2 of mass 37 u are...Ch. 28 - Prob. 70PCh. 28 - Physicist S. A. Goudsmit devised a method for...Ch. 28 - A beam of electrons whose kinetic energy is K...Ch. 28 - Prob. 73PCh. 28 - Prob. 74PCh. 28 - Prob. 75PCh. 28 - Prob. 76PCh. 28 - Prob. 77PCh. 28 - In Fig. 28-8, show that the ratio of the Hall...Ch. 28 - Prob. 79PCh. 28 - An electron is moving at 7.20 106 m/s in a...Ch. 28 - Prob. 81PCh. 28 - Prob. 82PCh. 28 - Prob. 83PCh. 28 - A write lying along an x axis from x = 0 to x =...Ch. 28 - Prob. 85PCh. 28 - Prob. 86PCh. 28 - Prob. 87PCh. 28 - Prob. 88PCh. 28 - In Fig. 28-58, an electron of mass m, charge e,...Ch. 28 - Prob. 90PCh. 28 - Prob. 91PCh. 28 - An electron that is moving through a uniform...
Knowledge Booster
Similar questions
- A strip of copper is placed in a uniform magnetic field of magnitude 2.5 T. The Hall electric field is measured to be 1.5103V/m (a) What is the drift speed of the conduction electrons? (b) Assuming that n =8.01028 elections per cubic meter and that the cross-sectional area of the strip is 5.0106m2 , calculate the current in the ship, (c) What is the Hall coefficient 1/nq?arrow_forwardIs B constant in magnitude for points that lie on a magnetic field line?arrow_forwardEe = 130 N/C is the known electric field just above the Earth's surface. (a) Determine the total charge Qe on Earth assuming that this field is the result of a spherically symmetric charge distribution over the Earth. Note: The radius of the Earth is Re = 6400 km. Explain in detail the expression used to calculate the total charge. (b) Assuming that the Earth's magnetic field acts vertically, what charge q would a ball of mass m = 10 g need to hover in mid-air?arrow_forward
- Magnetic flux density is the amount of flux passing through a defined area that is perpendicular to the direction of the flux while Magnetic flux is the amount of magnetic field (or the number of lines of force) produced by a magnetic source. (Note 1Tesla= 1Wb/m ) a) If you are to determine the flux density of a rectangular magnetic pole with face having dimensions of 200mm and 100mm. assuming the total flux emerging from the magnetic pole is 150µWb, what would be the flux density in Tesla? b) If the emerging flux of the pole is changed to 100µWb what will be the resultant density? c) When the dimensions of the magnetic pole are changed to 10m and 5m what will be the new density? d) What would happen if the magnetic pole is changed to square?arrow_forwardThe magnetic field intensity in a magnetic material in the form of a circular rod with magnetic permeability n with its axis in the z direction is azH0(H0 is constant). 1)what's B and M inside the bar? What are the equivalent magnetizing current densities jmv and jms for the magnetized rod?arrow_forwardAn infinitely long cylindrical wire with a radius of 0.05 m carries an electric current with a non-uniform electric current density g What is the magnitude of the magnetic field (in nT) a distance of 0.10 m away from the center of the wire? Assume the permeabi vacuum permeability.arrow_forward
- The magnetic flux through a loop with a cross-sectional area of .300m2 which is oriented at an angle of 60.0 degrees with the magnetic field is found to be .075 Wb. Find the magnetic field strength and report it to the correct number of significant figures and with the correct units. Show the algebraic form of any equation(s) that you apply.arrow_forwardA very long, right circular cylindrical copper wire has an outer radiusa and carries a non-uniform current along its central longitudinal axis. The current density J varies with the distance r from the axis according to therelationship given by J = αr/a, where α is some positive constant; thecurrent outside the conductor vanishes. What is the value of the magneticfield at r = a/3?arrow_forwardQ. 5: (a)The Hall effect can be used to calculate the charge-carrier number density in a conductor. If a conductor carrying a current of 2.0 A is 0.5 mm thick, and the Hall effect voltage is 4.5µV when it is in a uniform magnetic field of 1.2 T, what is the density of charge carriers in the conductor?arrow_forward
- A very long, thick cylindrical wire of radius R carries a current density J that varies across its cross-section. The magnitude of the current density at a point a distance r from the center of the wire is given by J = J0 rR , where J0 isa constant. Find the magnetic field (a) at a point outside the wire and (b) at a point inside the wire. Write your answer in terms of the net current I through the wire.arrow_forwardThe Hall effect can be used to determine the density of mobile electrons in a conductor. A thin strip of the material being investigated is immersed in a magnetic field and oriented so that its surface is perpendicular to the field. In a particular measurement, the magnetic field strength was 0.735 T, the strip was 0.101 mm thick, the current along the strip was 2.95 A, and the Hall voltage between the strip's edges was 2.95 mV. Find the density n of mobile electrons in the material. The elementary charge is 1.602 x 10-19 C. 1.56 x104 n 3= -3 Incorrectarrow_forwardA 0.230-A current is charging a capacitor that has circular plates 11.1 cm in radius. The plate separation is 4.00 mm. (a) What is the time rate of increase of electric field between the plates? V/(m.s) (b) What is the magnetic field between the plates 5.00 cm from the center?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
