A large sheet of charge has a uniform charge density of 13 μC charge at a point just above the surface of the sheet? N E = 4 What is the electric field due to this

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 neutral conducting sphere has a cavity. A small charge q = +9μC is suspended inside the cavity with an insulating thread. What is the charge on the outer surface of the sphere at steady state (i.e. after a long time)? Conducting sphere a) The charge on the outer surface is zero. b) The charge on the outer surface is +9 μC. c) The charge on the outer surface is -9 μC. d) The charge on the outer surface is -18 μC. e) None of the answer choices is correct. Write your own answer. Write your answer the following way: Choice:______; Explanation:.........

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

4. A continuous line charge is in the shape of a circle with radius R and constant linear charge density A. Find the electric field a height h over the center of the circle R

A large non-conducting sheet of charge with a charge density of 2,50 nC/m^2 is placed in the yz plane at x=0. Another large non-conducting sheet of charge with an opposite charge density of -2.50 nC/m^2 is placed parallel to the first one at x=6.00 cm. What is the net electric field at a point along the x axis at x=4.00 cm

I Review A positive point charge q sits at the center of a hollow spherical shell. The shell, with radius R and negligible thickness, has net charge -2q. Part A Find an expression for the electric field strength inside the sphere, r R. Give your answer as a multiple of q/e0. ? Submit Request Answer 圓