University Physics, Volume 2 - Technology Update Custom Edition for Texas A&M - College Station, 2/e
1st Edition
ISBN: 9781323390382
Author: YOUNG
Publisher: Pearson Education
expand_more
expand_more
format_list_bulleted
Question
Chapter 22, Problem 22.47P
(a)
To determine
The magnitude and direction of force ( F ) q r > R
(b)
To determine
The magnitude and direction of force ( F ) q r < R
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
a long, straight copper wire (diameter 2.50 mm and resistance 1.00 ohm per 300 m) carries a uniform current of 25.0 A in the positive x direction. For point P on the wire’s surface, calculate the magnitudes of (a) the electric field , (b) the magnetic field , and (c) the Poynting vector , and (d) determine the direction of S.
Which of the following accurately describes Gauss's law for the electric field and magnetic field?
The net electric flux through a closed surface is proportional to the charge enclosed by the surface whilethe net magnetic flux through a closed surface is always zero.
The net electric flux through a closed surface is always zero whilethe net magnetic flux through a closed surface is proportional to the current enclosed by the surface.
The net electric flux through a closed surface is proportional to the charge enclosed by the surface whilethe net magnetic flux through a closed surface is proportional to the current enclosed by the surface.
Both the net electric flux and the net magnetic flux through a closed surface are always zero.
When an electric current flows through the filament of an incandescent light bulb, it gets very hot and glows (or incandesces). Consider a particular bulb with a filament with 140 Ω resistance which carries a current of 1.00 A. Assume the length of the filament is L = 9.00 cm long with a radius of r = 0.900 mm.
(a) Calculate the Poynting vector (in kW/m2) at the surface of the filament, associated with the static electric field producing the current and the current's static magnetic field.
magnitude: ? kW/m2
direction: Radially inward or outward?
(b) Find the magnitudes of the static electric field (in kV/m) and static magnetic field (in µT) at the surface of the filament.
electric field: ? kV/m
magnetic field: ? µT
Chapter 22 Solutions
University Physics, Volume 2 - Technology Update Custom Edition for Texas A&M - College Station, 2/e
Ch. 22 - A rubber balloon has a single point charge in its...Ch. 22 - Suppose that in Fig. 22.15 both charges were...Ch. 22 - In Fig. 22.15, suppose a third point charge were...Ch. 22 - A certain region of space bounded by an imaginary...Ch. 22 - A spherical Gaussian surface encloses a point...Ch. 22 - You find a sealed box on your doorstep. You...Ch. 22 - A solid copper sphere has a net positive charge....Ch. 22 - A spherical Gaussian surface encloses a point...Ch. 22 - In a conductor, one or more electrons from each...Ch. 22 - You charge up the Van de Graaff generator shown in...
Ch. 22 - Lightning is a flow of electrons. The lightning...Ch. 22 - A solid conductor has a cavity in its interior....Ch. 22 - Explain this statement: In a static situation, the...Ch. 22 - In a certain region of space, the electric field E...Ch. 22 - (a) In a certain region of space, the volume...Ch. 22 - A negative charge Q is placed inside the cavity of...Ch. 22 - A flat sheet of paper of area 0.250 m2 is oriented...Ch. 22 - A flat sheet is in the shape of a rectangle with...Ch. 22 - You measure an electric field of 1.25 106 N/C at...Ch. 22 - It was shown in Example 21.10 (Section 21.5) that...Ch. 22 - A hemispherical surface with radius r in a region...Ch. 22 - The cube in Fig. E22.6 has sides of length L =...Ch. 22 - BIO As discussed in Section 22.5, human nerve...Ch. 22 - The three small spheres shown in Fig. E22.8 carry...Ch. 22 - A charged paint is spread in a very thin uniform...Ch. 22 - A point charge q1 = 4.00 nC is located on the...Ch. 22 - C point charge is at the center of a cube with...Ch. 22 - Electric Fields in an Atom. The nuclei of large...Ch. 22 - Two very long uniform lines of charge are parallel...Ch. 22 - A solid metal sphere with radius 0.450 m carries a...Ch. 22 - How many excess electrons must be added to an...Ch. 22 - Some planetary scientists have suggested that the...Ch. 22 - A very long uniform line of charge has charge per...Ch. 22 - The electric field 0.400 m from a very long...Ch. 22 - A hollow, conducting sphere with an outer radius...Ch. 22 - (a) At a distance of 0.200 cm from the center or a...Ch. 22 - The electric field at a distance of 0.145 m from...Ch. 22 - A point charge of 3.00 C is located in the center...Ch. 22 - CP An electron is released from rest at a distance...Ch. 22 - Charge Q is distributed uniformly throughout the...Ch. 22 - A conductor with an inner cavity, like that shown...Ch. 22 - A very large, horizontal, nonconducting sheet of...Ch. 22 - Apply Gausss law to the Gaussian surfaces S2, S3,...Ch. 22 - A square insulating sheet 80.0 cm on a side is...Ch. 22 - An infinitely long cylindrical conductor has...Ch. 22 - Two very large, nonconducting plastic sheets, each...Ch. 22 - CP At time t = 0 a proton is a distance of 0.360 m...Ch. 22 - CP A very small object with mass 8.20 109 kg and...Ch. 22 - CP A small sphere with mass 4.00 106 kg and...Ch. 22 - A cube has sides of length L = 0.300 m. One corner...Ch. 22 - The electric field E in Fig. P22.35 is everywhere...Ch. 22 - CALC In a region of space there is an electric...Ch. 22 - The electric field E1 at one face of a...Ch. 22 - A long line carrying a uniform linear charge...Ch. 22 - The Coaxial Cable. A long coaxial cable consists...Ch. 22 - A very long conducting tube (hollow cylinder) has...Ch. 22 - A very long, solid cylinder with radius R has...Ch. 22 - A Sphere in a Sphere. A solid conducting sphere...Ch. 22 - A solid conducting sphere with radius R that...Ch. 22 - A conducting spherical shell with inner radius a...Ch. 22 - Concentric Spherical Shells. A small conducting...Ch. 22 - Repeat Problem 22.45, but now let the outer shell...Ch. 22 - Prob. 22.47PCh. 22 - A solid conducting sphere with radius R carries a...Ch. 22 - CALC An insulating hollow sphere has inner radius...Ch. 22 - CP Thomsons Model of the Atom. Early in the 20th...Ch. 22 - Thomsons Model of the Atom, Continued. Using...Ch. 22 - (a) How many excess electrons must be distributed...Ch. 22 - CALC A nonuniform, but spherically symmetric,...Ch. 22 - A Uniformly Charged Slab. A slab of insulating...Ch. 22 - CALC A Nonuniformly Charged Slab. Repeat Problem...Ch. 22 - CALC A nonuniform, but spherically symmetric,...Ch. 22 - (a) An insulating sphere with radius a has a...Ch. 22 - A very long, solid insulating cylinder has radius...Ch. 22 - DATA In one experiment the electric field is...Ch. 22 - DATA The electric field is measured for points at...Ch. 22 - DATA The volume charge density for a spherical...Ch. 22 - CP CALC A region in space contains a total...Ch. 22 - Suppose that to repel electrons in the radiation...Ch. 22 - What is the magnitude of E just outside the...Ch. 22 - SPACE RADIATION SHIELDING. One of the hazards...Ch. 22 - SPACE RADIATION SHIELDING. One of the hazards...
Knowledge Booster
Similar questions
- An infinitely long cylindrical plasma-type conductor lying on the z axis with its center is located at the origin. The radius of the cylinder is a and the current density is defined by J =ez Jo/ρ where Jo is a constant and ρ is the variable radial distance. Write the expression for magnetic field intensity (H )for,(a) 0 ≤ ρ ≤ a .(b) a < ρ.arrow_forwardIf E = electric field and B = magnetic field, is E × B a vector or a pseudovector? Comment: E × B/µ0 is called the Poynting vector; it points in the direction of transfer of energarrow_forwardA parallel plate capacitor has circular cross-section with a radius of R and has a charge that varies as Q(t) = Q0 e-at, where Q0 and a are constants. Take the spacing between the plates to be small so that you can assume the electric field is uniform for r < R and vanishes for r > R. b) Inside the capacitor (for r < R), what is the magnetic field as a function of time at a distance r from the center? (Hint: use the Ampere-Maxwell law with the displacement current)arrow_forward
- A cylindrical region contains a uniform electric field that is parallel to the axis and is changing with time. If r is the distance from the cylinder axis, how does the magnitude of the magnetic field outside the region depend on r?arrow_forwardAt one location on the Earth, the rms value of the magnetic field caused by solar radiation is 1.80 μT. From this value, calculate (a) the rms electric field due to solar radiation, (b) the average energy density of the solar component of electromagnetic radiation at this location, and (c) the average magnitude of the Poynting vector for the Sun’s radiation.arrow_forwardThe magnetic field of a plane electromagnetic wave moving along the z axis is given by B → = B0 (cos kz + ωt)j ^ , where B0 = 5.00 × 10−10 T and k = 3.14 × 10−2 m−1. (a)Write an expression for the electric field associated withthe wave. (b) What are the frequency and the wavelength of the wave? (c) What is its average Poynting vector?arrow_forward
- an electron moves at speed v = 103 m/s along an x axis through uniform electric and magnetic fields without accelerating. The magnetic field is directed into the page and has magnitude 7.66 T. In unit-vector notation, what is the electric field?arrow_forwardIn a region of free space, the electric field at an instant of time is vector E = (8 i hat + 2 j hat - 6 k hat) N/C and the magnetic field is vector B = (2 i hat + 1 j hat + 3 k hat) x 10^(-8) T. a) Show that the two fields are perpendicular to each other b) Determine the Poynting vector for these fieldsarrow_forwardAt one location on the Earth, the rms value of the magnetic field caused by solar radiation is 1.90 µT. (a) Calculate the rms electric field due to solar radiation. V/m(b) Calculate the average energy density of the solar component of electromagnetic radiation at this location. µJ/m3(c) Calculate the average magnitude of the Poynting vector for the Sun's radiation. W/m2(d) Assuming that the average magnitude of the Poynting vector for solar radiation at the surface of the Earth is Sav = 1000 W/m2, compare your result in part (c) with this value. %arrow_forward
- The figure shows a circular region of radius R = 2.50 cm in which a uniform electric flux is directed out of the plane of the page. The total electric flux through the region is given by ΦE = (2.00 mV·m/s)t, where t is in seconds. What is the magnitude of the magnetic field that is induced at radial distances (a)1.50 cm and (b)6.00 cm?arrow_forwardWhat kind of polarization has a plane electromagnetic waveif the projections of the vector E on the x and y axes are perpendicular to the propagation direction and are determined by the followingequations: Ex = E sin(wt − kz), Ey = E cos(wt − kz).arrow_forwardA sinusoidal electromagnetic wave is propagating in vacuum in the +z-direction. If at a particular instant and at a certain point in space the electric field is in the +x-direction and has magnitude 4.00 V/m, what are the magnitude and direction of the magnetic field of the wave at this same point in space and instant in time?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
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
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