Careful measurement of the electric field at the surface of a black box indicates that the net electric flux is going inward through the surface of the box is 9.0 kN-m²/C. What is the net charge inside this unknown box? ( 50 -8.854 x 10-12 C²/N-m²) -80. nC +80. nC +80. pC O-80. pC Onone of the given choices

Careful measurement of the electric field at the surface of a black box indicates that the net electric flux is going inward through the surface of the box is 9.0 kN-m²/C. What is the net charge inside this unknown box? ( 50 -8.854 x 10-12 C²/N-m²) -80. nC +80. nC +80. pC O-80. pC Onone of the given choices

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter19: Electric Forces And Electric Fields

Section: Chapter Questions

Problem 52P: A cylindrical shell of radius 7.00 cm and length 2.40 m has its charge uniformly distributed on its...

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what can you conclude about the relationship among the electric flux, electric field lines, and the charge enclosed by the surface?
Figure P15.49 shows a closed cylinder with cross-sectional area A = 2.00 m2. The constant electric field E has magnitude 3.50 103 N/C and is directed vertically upward, perpendicular to the cylinder's top and bottom surfaces so that no field lines paw through the curved surface. Calculate the electric flux through the cylinder's (a) lop and (b) bottom surface, (c) Determine the amount of charge inside the cylinder. Figure P15.49
A cylindrical shell of radius 7.00 cm and length 2.40 m has its charge uniformly distributed on its curved surface. The magnitude of the electric field at a point 19.0 cm radially outward from its axis (measured from the midpoint of the shell) is 36.0 kN/C. Find (a) the net charge on the shell and (b) the electric field at a point 4.00 cm from the axis, measured radially outward from the midpoint of the shell.
A dosed surface with dimensions a = b= 0.400 111 and c = 0.600 in is located as shown in Figure 124.63. The left edge of the closed surface is located at position x = a. The electric field throughout the region is non- uniform and is given by E = (3.00 + 2.00x2)i N/C, where x is in meters. (a) Calculate the net electric flux leaving the closed surface. (b) What net charge enclosed by the surface?
A thin, square, conducting plate 50.0 cm on a side lies in the xy plane. A total charge of 4.00 108 C is placed on the plate. Find (a) the charge density on each face of the plate, (b) the electric field just above the plate, and (c) the electric field just below the plate. You may assume the charge density is uniform.
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An electric field of intensity 3.50 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if (a) the plane is parallel to the yz-plane, (b) the plane is parallel to the xy-plane, and (c) the plane contains the y-axis and its normal makes an angle of 40.0° with the x-axis.
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An electric field of intensity 3.50 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if, a) the plane is parallel to the yz-plane, b) the plane is parallel to the xy-plane, and c) the plane contains the y-axis and its normal makes an angle of 40.0 degrees with the x-axis.
Use Gauss's Law and basic surface and volume integrals to determine the electric field of a spherical semi-conductor (radius=2 m) that has a net charge of -40C. What is the electric field 1m away from the center of the sphere? What is the electric field 3 m center of the sphere? What is the electric field 10m from the center of the sphere? Is there any where that would have 0 net electric field?
27 As a vector, a uniform electric field ̂-aj ̂ passes through a surface of area B. How much is the electric flux through this surface area if the surface is located in the xz plane? 27 - Vektörel olarak bi ̂-aj ̂ düzgün elektrik alanı B yüzölçümlü bir yüzeyden geçmektedir. Bu yüzölçümden geçen elektrik akısı, yüzey xz düzleminde bulunursa ne kadar olur? A) aB B) 0 C) bA D) bB E) aA