Which of the following is true at the conductor surface? O The answer can be found on more than one of the other choices. O At the conductor surface, the surface charge density is always equal to the magnitude of the electric flux density. O At the conductor surface, the surface charge density is always equal to the magnitude of the electric flux. O At the conductor surface, the surface charge density is always equal to the magnitude of the electric field.
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- A closed surface with dimensions a=b=0.40 m and c=0.60 m is located as in the figure below. The left edge of the closed surface is located at position x= a. The electric field in the region is non-uniform and is given by E=(3.0+ 32x2 ) i N/C, where x is in meters. Calculate the net electric flux leaving the closed surface? E Select one: A. 3.07 В. 7.50 С. 4.30 D. 1.02 E. 10.70A nonconducting spherical shell has an inner radius A, an outer radius B, and a nonuniform charge density given by p(r) sindr where B and a are constants. r3 The inner spherical shell is surrounded with a concentric nonconducting spherical shell that has an inner radius B, outer radius C, and a uniform charge density such that the electric field for r> C is zero. What is the total charge contained in the inner spherical shell? b. What is the charge density in the outer spherical shell? c. What is the magnitude of the electric field for AA given thick spherical shell has a volume charge distribution of p = A/r, where A is a constant. An additional point charge Q is placed at the center (r = 0). The value of A is selected so that the electric field inside the thick shell is constant (does not depend on r). b What is the electric field (in N/C) inside the shell aA. В. Surfaces A and B have the same shape and the same area. Which has the less electric flux? O Surface A has less flux. O Surface B has less flux. O The fluxes are equal. O It's impossible to say without knowing more about the electric field.a This is a conducting outer shell of inner radius a and outer radius b. There's a point charge Q in the middle. The shell itself has total charge -3Q. Use spherical gaussian surfaces to find the electric field for rb. What is the surface charge density on the inside of the shell and on the outside of the shell? Draw the E-field lines. b – 3Q) Consider an infinitely long cylinder with radius R and uniform surface charge density o. a. Find the magnitude of the electric field at a distance s from the axis of the cylinder for s R. c. Using your answer to part b, find the potential difference between two points: s= a and s = b. thor axis with itsshow detailsanswer please vy The figure above shows a contour consisting of two semicircular parts, of radii a and b respectively (b> a), that are connected by two short straight-line segments. This contour has a uniform charge distribution p₁ on it. Determine the electric field created by this charge distribution at the origin of the coordinate system in terms of a, b, and P₁-Which describes the flux of an electric field that is tangent to a section on a closed surface? O The flux is negative. O The flux is positive. O The flux is zero.A long coaxial cable carries a volume charge density described by p = ks4 (where k is a constant) on the inner insulating cylinder (radius a), and a uniform surface charge density ? (sigma) on the outer conducting cylindrical shell (radius b). Assume that the coaxial cable is electrically neutral (i.e. Qtotal = 0) and you may ignore the edge effects of the cylindrical shells.a. Determine the electric field everywhere in terms of the total charge per unit length of the inner cylinder ?inner (lambdainner).infinitely long cylinder has a cylindrical hole in the middle. The inner radius of the cylinder is R1 and the outer radius of the cylinder is R2. The volume charge density, p, is distributed evenly throughout the volume. Find the magnitude of the electric field at distance r from the central axis for the cases when r R2. RSEE MORE QUESTIONS