Gauss' Law 7. A particle with charge Q = 5.0µC is located at the center of a cube of edge L = 0. 100m. In addition, six other identical particles having q = -1.00µC are positioned symmetrically around Q as shown in the figure. Determine the electric flux through one face of the cube. %3D L

A disk of radius r= 70 cm has a uniform surface charge densityo = 79.6 nC. Calculate the electric field ( in units of kN/C) at point P that lies along the central perpendicular axis of the disk and a distance 30 cm from the center of the disk. use ke = 9x109 N m²/C² Colo

A sphere of radius a is filled with a positive charge with uniform density p. Then a smaller sphere of radius a/2 is carved out leaving and empty cavity as shown in the drawing. What is the direction and magnitude of the electric field at point A? (Hint: Use superposition concepts) Select one: ρα Oa. E: = upward 360 Ob. It is not possible to calculate because there is no spherical symmetry. 2pa downward C. E: = 360 ρα O d. E= upward 660 ρα ○ e. E = downward 860 ○ f. 7pa E= upward 860

At each point on the surface of the cube shown in the figure the electric field is parallel to the z axis. The length of each edge of the cube is 2.5 m. On the top face of the cube the electric field E 33 N/C and on the bottom face it is Ễ + 17k N/C . Determine the net charge contained within the cube. →> = -> = y Number i Units

A -9.25 nC point charge is located at the center of a conducting spherical shell. The inner/outer radii of this shell are 1.5 m and, respectively, 2.3 m. A 10 nC charge is distributed on the spherical shell. What is the magnitude of the electric field at a. r= 1.1 m? Submit Answer b. r= 1.9 m? Submit Answer Incompatible units. No conversion found between "nc" and the required units. Incorrect. Tries 1/10 Previous Tries c. r = 2.6 m? Submit Answer Incorrect. Tries 1/10 Previous Tries d. What is the charge density on the outside surface of the conducting shell? Submit Answer Incorrect. Tries 1/10 Previous Tries Tries 1/10 Previous Tries