Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
4th Edition
ISBN: 9780134110684
Author: Randall D. Knight (Professor Emeritus)
Publisher: PEARSON
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Chapter 24, Problem 7EAP
The cube in FIGURE EX24.7 contains negative charge. The elec-tric field is constant over each face of the cube. Does the miss-ing electric field vector on the front face point in or out? What strength must this field exceed?
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(a) Find the net electric flux through the cube shown in Figure P24.15. (b) Can you use Gaussslaw to find the electric field on the surface of this cube? Explain.
A quadrilateral plate having a side length of 0.5m with A at 40® to a uniform electric field E of magnitude 3.0 x 103 N/C.
(a) What is the electric flux through the disk?
(b) What is the flux through the disk if it is turned so that ?⃗ is perpendicular to ?⃗⃗?
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A particle with charge Q is located a small distance δ immediately above the center of the flat face of a hemisphere of radius R as shown in Figure P24.21. What is the electric flux (a) through the curved surface and (b) through the flat face as δ → 0?
Chapter 24 Solutions
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
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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- If the hemisphere (surface C) in Figure 25.10 (page 760) is tilted so that its disk-shaped cross section makes a 25 angle with the electric field, what is the electric flux through the hemisphere? Use Example 25.1 to check your result.arrow_forwardA 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 particle with charge Q is located a small distance immediately above the center of the flat face of a hemisphere of radius R as shown in Figure P19.38. What is the electric flux (a) through the curved surface and (b) through the flat face as 0?arrow_forward
- Consider a closed triangular box resting within a horizontal electric field of magnitude E = 7.80 X 104 N/C as shown in Figure P24.4. Calculate the electric flux through (a) the vertical rectangular surface, (b) the slanted surface, and (c) the entire surface of the box.arrow_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). a. What is the electric field strength at r = 17 cm?arrow_forwardA square sheet with sides 1.57 meters long is held in a uniform electric field of magnitude 1.1 x 10^4 {N/C}. The sheet is oriented at an angle of 60° to the electric field direction (that is, the surface normal vector for the flat slide of the sheet makes a 60° angle relative to the electric field vector). What is the electric flux through the sheet ?arrow_forward
- The electric field at 2 cm from the center of long copper rod of radius 1 cm has a magnitude 3 N/C and directed outward from the axis of the rod. (a) How much charge per unit length exists on the copper rod? (b) Whatwould be the electric flux through a cube of side 5 cm situated such that the rod passes through opposite sides of the cube perpendicularly?arrow_forwardA square that has 23 cm long edges is centered on the x axis in a region where there exists a uniform electric field given by E= (2.1 kN/C). 1) What is the electric flux of this electric field through the surface of a square if the normal to the surface is in the +x direction? in N · m2/C 2) What is the electric flux through the same square surface if the normal to the surface makes a 62° angle with the y axis and an angle of 90° with the z axis? in N · m2/Carrow_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_forward
- Consider a uniform electric field of E = (a, b, 0) and an l x l square surface.(a) What is the flux through the square if it sits in the yz-plane?(b) What is the flux through the square if it sits in the xy-plane?(c) What is the maximum flux through the square as it is rotated through all possible orientations?arrow_forwardA spherical conducting shell of inner radius r1 and outer radius r2 has a charge Q.(a) A charge q is placed at the centre of the shell. What is the surface charge density on the inner and outer surfaces of theshell?(b) Is the electric field inside a cavity (with no charge) zero, even if the shell is not spherical, but has any irregular shape? Explain.arrow_forwardA with radius a and height 2h as in the Figure.There is a point charge q at the center of the cylinder.The electric flux passing through the lateral surface of the cylinder Show that it is given by ((21/2)/2)*(q/ε0)arrow_forward
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