PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
1st Edition
ISBN: 9781323834831
Author: Knight
Publisher: PEARSON C
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Textbook Question
Chapter 24, Problem 20EAP
What is the net electric flux through the torus (i.e., doughnut
shape) of FIGURE EX24.20?
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13. Calculate the total electric flux through the paraboloidal
surface due to a uniform electric field of magnitude Eo in
the direction shown in Figure P24.13.
E,
Figure P24.13
6. I The cube in FIGURE EX24.6
contains negative charge. The
electric field is constant over
15
20
each face of the cube. Does
the missing electric field vec-
tor on the front face point in
or out? What strength must
10
this field exceed?
Field strengths
in N/C
10
FIGURE EX24.6
20
54. Figure P24.54 shows a cylindrical Gaussian surface endosing
a segment of a long charged wire. Consider using a spheri-
cal Gaussian surface to enclose the same segment of the wire.
(a) Which surface, cylindrical or spherical, has the greater elec-
tric flux through it? (6) Which surface is more appropriate for
calculating the electric flux? Justify your answer. B
Figure P24.54
Gausslan surface
E
charged wire
Chapter 24 Solutions
PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
Ch. 24 - Suppose you have the uniformly charged cube in...Ch. 24 - FIGURE Q24.2 shows cross sections of...Ch. 24 - The square and circle in FIGURE Q24.3 are in the...Ch. 24 - Prob. 4CQCh. 24 - Prob. 5CQCh. 24 - What is the electric flux through each of the...Ch. 24 - Prob. 7CQCh. 24 - The two spheres in FIGURE Q24.8 on the next page...Ch. 24 - The sphere and ellipsoid in FIGURE Q24.9 surround...Ch. 24 - A small, metal sphere hangs by an insulating...
Ch. 24 - l. FIGURE EX24.1 shows two cross sections of two...Ch. 24 - FIGURE EX24.2 shows a cross section of two...Ch. 24 - FIGURE EX24.3 shows a cross section of two...Ch. 24 - The electric field is constant over each face of...Ch. 24 - The electric field is constant over each face of...Ch. 24 - The cube in FIGURE EX24.6 contains negative...Ch. 24 - The cube in FIGURE EX24.7 contains negative...Ch. 24 - The cube in FIGURE EX24.8 contains no net charge....Ch. 24 - What is the electric flux through the surface...Ch. 24 - What is the electric flux through the surface...Ch. 24 - II The electric flux through the surface shown in...Ch. 24 - ]12. A 2.0cm3.0cm rectangle lies in the xy-plane....Ch. 24 - A 2.0cm3.0cm rectangle lies in the xz-plane. What...Ch. 24 - Prob. 14EAPCh. 24 - 15. A box with its edges aligned with
the...Ch. 24 - What is the net electric flux through the two...Ch. 24 - FIGURE EX24.17 shows three charges. Draw these...Ch. 24 - Prob. 18EAPCh. 24 - FIGURE EX24.19 shows three Gaussian surfaces and...Ch. 24 - What is the net electric flux through the torus...Ch. 24 - What is the net electric flux through the cylinder...Ch. 24 - Prob. 22EAPCh. 24 - Prob. 23EAPCh. 24 - A spark occurs at the tip of a metal needle if the...Ch. 24 - The electric field strength just above one face of...Ch. 24 - The conducting box in FIGURE EX24.26 has been...Ch. 24 - FIGURE EX24.27 shows a hollow cavity within a...Ch. 24 - A thin, horizontal, 10-cm-diameter copper plate is...Ch. 24 - Prob. 29EAPCh. 24 - Prob. 30EAPCh. 24 - II A tetrahedron has an equilateral triangle base...Ch. 24 - Charges q1= —4Q and q2= +2Q are located at x = —a...Ch. 24 - Prob. 33EAPCh. 24 - A spherically symmetric charge distribution...Ch. 24 - A neutral conductor contains a hollow cavity in...Ch. 24 - Prob. 36EAPCh. 24 - 37. A 20-cm-radius ball is uniformly charged to 80...Ch. 24 - Prob. 38EAPCh. 24 - Prob. 39EAPCh. 24 - Prob. 40EAPCh. 24 - A hollow metal sphere has 6 cm and 10 cm inner and...Ch. 24 - Prob. 42EAPCh. 24 - Find the electric field inside and outside a...Ch. 24 - Prob. 44EAPCh. 24 - Prob. 45EAPCh. 24 - Prob. 46EAPCh. 24 - FIGURE P24.47 shows an infinitely wide conductor...Ch. 24 - FIGURE P24.48 shows two very large slabs of metal...Ch. 24 - Prob. 49EAPCh. 24 - A very long, uniformly charged cylinder has radius...Ch. 24 - Prob. 51EAPCh. 24 - Prob. 52EAPCh. 24 - II A long cylinder with radius b and volume charge...Ch. 24 - A spherical shell has inner radius Rin, and outer...Ch. 24 - Prob. 55EAPCh. 24 - Newton's law of gravity and Coulomb's law are both...Ch. 24 - Prob. 57EAPCh. 24 - An infinite cylinder of radius R has a linear...Ch. 24 - Prob. 59EAPCh. 24 - A sphere of radius R has total charge Q. The...Ch. 24 - II A spherical ball of charge has radius R and...
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- A rectangular sheet is uniformly charged with 17.7 nC and inserted inside a cylindrical surface of diameter D=0.5 m and length L= 0.7 m. Find the net electric flux (in Nm²/C) through the cylindrical surface. Darrow_forwardA line of positive charge is formed into a semicircle of radius R = 57.0 cm as shown in the figure. The charge per unit length along the semicircle is described by the expression λ = λ0 sinθ, λ0 = 14.0 μC/m. Calculate the electric field at the center of curvature. (Here, θ = 0 on the y-axis, increasing clockwise (CW)).arrow_forwardA total charge Q is distributed uniformly on a metal ring of radius R. a. What is the magnitude of the electric field in the center of the ring at point O (Fig. P24.61)? b. What is the magnitude of the electric field at the point A lying on the axis of the ring a distance R from the center O (same length as the radius of the ring)? FIGURE P24.61arrow_forward
- A particle with charge q = 7.20 C is surrounded by a spherical shell of radius R = 1.50 m. What is the electric flux through the spherical cap with half angle = 30.0 (Fig. P25.79)? FIGURE P25.79arrow_forwardA spherically symmetric charge distribution produces an electric field E = (6250 r2) r N/C (here r is the unit vector in the radial direction). b. What is electric flux (in N m2/C) through a 34 cm diameter spherical surface that is concentric with the charge distribution? How much charge is inside the spherical surface?arrow_forwardThe electric flux through a spherical Gaussian surface of radius r=20.0cm, with a uniformly charged, spherical conducting shell at its center, is ΦE =−2.30 × 104 N·m2/C. T c. How many excess electrons or protons does this sphere contain? d. f the conductor has a radius of R = 10.0 cm, what is its surface charge density? e. What is the electric field strength at the surface of the conductor?arrow_forward
- A spherically symmetric charge distribution produces an electric field E = (6250 r2) r N/C (here r is the unit vector in the radial direction). a. What is the electric field strength at r = 17 cm?arrow_forwardCalculate the absolute value of the electric flux for the following situations (In all case provide your answer in N m2/C): a. A constant electric field of magnitude 300 N/C at a 30 degrees angle with respect to the flat rectangular surface shown in the Figure above. b. A uniform electric field E = (70 i + 90 k) N/C through a 4 cm ×5 cm in the x-y plane. c. A uniform electric field E = (−350 i + 350 j + 350 k) N/C through a disk of radius 3 cm in the x-z plane.arrow_forwardA spherical shell of radius 1.50 m contains a single charged particle with q = 24.0 nC at its center. (a) What is the total electric flux through the surface of the shell? N. m?/C (b) What is the total electric flux through any hemispherical portion of the shell's surface? N. m?/C Need Help? Read Itarrow_forward
- A point charge is located at the origin. Centered along the x axis is a cylindrical closed surface of radius 10 cm with one end surface located at x = 2 m and the other end surface ļocated at x = 2.5 m. If the magnitude of the electric flux through the surface at x = 2 m is 4 N.m/C, what is the magnitude of the electric flux through the surface at x = 2.5 m? Select one: 2. a. 1.8 N. m/C 2 b. 2.56 N. m /C C. 5.0 N. m /C d. 1.0 N. m/C e. 4.0 N. m /C O O Oarrow_forwardQ5. The figure here shows a Gaussian rectangular of side lengths x, y and z immersed in a uniform electric field E that has the positive direction of the z axis. In terms of E and A, what is the flux through (a) the front face (which is in the xy plane), (b) the rear face, (c) the top face, and (d) the whole cube?arrow_forwardRoundarrow_forward
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