A closed box has a net electric flux of -4.8×108 N·m2 /C through it. The net amount of charge enclosed by the box is Consider two imaginary spherical surfaces surrounding a point charge +Q. One is a sphere of radius 10 cm and the other is a sphere of radius 20 cm. Which statement about the net flux through these surfaces is correct?

A uniformly charged conducting sphere of 1.7 m diameter has a surface charge density of 8.7 µC/m². (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere? (a) Number (b) Number i Units Units

The electric field everywhere on the surface of a thin, spherical shell of radius 0.700 m is of magnitude 855 N/C and points radially toward the center of the sphere. (a) What is the net charge within the sphere's surface? 4.655e(-8 x nC (b) What is the distribution of the charge inside the spherical shell? O The positive charge has a spherically symmetric charge distribution. O The negative charge has a spherically symmetric charge distribution. O The negative charge has an asymmetric charge distribution. O The positive charge has an asymmetric charge distribution.

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 É cube is 2.4 m. On the top face of the cube the electric field - - 27k N/C and on the bottom face it is E +23k N/C Determine the net charge contained within the cube. Number i T Units

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 located at x = 2.5 m. If the magnitude of the electric flux through the surface at x = 2 m is 4 N . m2 /C, what is the magnitude of the electric flux through the surface at x = 2.5 m? Select one: a. 1.8 N . m2 /C b. 2.56 N . m2 /C c. 1.0 N . m2 /C d. 4.0 N . m2 /C e. 5.0 N . m2 /C

We place a point charge q at the center of a sphere of radius R. This results in   an electric field E at the surface of the sphere and a flux 4 passing through it. If we change the radius of the sphere to R' = 2R, what happens to the electric field E' at the surface and the flux ' passing through this new sphere? Surface area A = 4πR², Volume V = =πR³.

A charge q = +3.05 ?C is located at the center of a regular tetrahedron (a four-sided surface) as in figure below. (a) Find the magnitude of the total electric flux through the tetrahedron. Answer in N · m2/C (b) Find the magnitude of the electric flux through one face of the tetrahedron. Answer in N · m2/C

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Auniformly charged conducting sphere of 1.7 m diameter has a surface charge density of 9.5 µC/m². (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere? (a) Number i 9.08 Units (b) Number 9.75e+6 Units

Two small balls with charges q1 = 2.4 μC and q = -15.2 μC are separated by a distance d = 5.0 cm. Calculate the electric flux passing through the following three surfaces: a)A spherical surface of radius 1.6 cm centered on the first charge.  b)A spherical surface of radius 18 cm centered on the second charge.  c) A spherical surface of radius 1.1 cm centered at the midpoint of a line connecting them.