In C box, the electric flux entering is equal to the electric flux leaving. Therefore it has zero net charge.
Which of the following closed surfaces enclose a net charge? (A) (B) (C) A. A B....
arranged in space are shown below. The contours are a 2-dimensional ntation of closed surfaces which enclose the charges. What is the flux of the electric field through each surface? What is the flux of the electric displacement D through each 8. Four charges surface? S, -a s2 -??
Parameterize the following surfaces in R3. Describe if the surface is open or closed. If the surface is open, give a parameterization of its boundary, 6. Parametrize the following surfaces in R3. Describe if the surface is open or closed. If the surface is open, give a parametrization of its boundary (positively oriented). (a) The part of the plane z - 2y 3 inside the cylinder 2 y16 (b) The sphere of radiuscentered at the origin. (c) The part of...
PHYSICS charge questions A closed surface with dimensions a = b = 0.400 m and c = 0.800 m is located as shown in the figure below. The left edge of the closed surface is located at position x = a. The electric field throughout the region Is nonuniform and given by E = (3.40 + 3.20 x2)? N/C, where x is in meters. (a) Calculate the net electric flux leaving the closed surface. N.m^2/C (b) What net charge is...
3. The pictures below depict closed surfaces surrounding point charges. A) case b. has the most net field flux through the surface B) case c. has the most net field flux through the surface C) case a. has the most net positive flux, case c. the most net negative flux. D) case d. has the most net flux through the surface. +2q -3q +2g -3q d. +2q
Question 4 Which of the 3-dimensional surfaces in the figure below has the greatest net flux passing through it? Surface A is a cylinder of volume V with a +3q point charge inside it, and a +3q point charge outside of it. Surface B is a sphere of volume V with a +3q point charge inside of it. Surface C is a large pyramid of volume V with a +3q point charge inside of Surface D is a cube of...
9. Determine the net charge of each of the following ions: (a) sodium (b) oxide (c) hydrogen (d) chloride (e) magnesium (f) sulfide
In a closed cylinder A1, A2 and A3 are the bottom, top and side surfaces respectively. The surfaces are maintained at uniform temperature of T1 = 300 [C], T2 = 200 (C) and T3 = 100 (C). If all surfaces are assumed black surfaces, determine the net radiation heat exchange between A1 and other surfaces (namely A2 and A3). D1 =16 [cm], D3 = 16 [cm] and L =20 [cm). A3 42 A1
3. If the net flux through a closed Gaussian surface is zero, all of the following statements might be true. Which two statements must be true? a. There are no charges inside the surface. b. The net charge inside the surface is zero. c. The electric field is zero everywhere on the surface. d. The number of field lines entering the surface equals the number of field lines eaving the surface.
1) Which of the following statements about electric fields and equipotential surfaces are correct? (check all that apply) a)The electric field direction is always from higher potential to lower potential. b)The number of electric field lines per unit area perpendicular to the field lines is proportional to the strength of the electric field in that region c)Equipotential surfaces are surfaces where the potential is constant over this surface. d)Electric field lines begin on positive charges and end on negative charges....
Equipotential surfaces A positive point charge is surrounded by an equipotential surface A, which has a radius of rA. A positive test charge moves from surface A to another equipotential surface B, which has a radius rB. In the process, the electric force does negative work (a) Does the electric force acting on the test charge have the same or opposite direction as the displacement of the test charge? O The electric force has the same direction as the displacement...