A-140.1 mC charge is placed at the center of a hollow conducting sphere. Find the charge density (in C/m²) on the outside of the sphere if its radius is 5.09 cm and if it contains zero net charge.
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- A conducting spherical shell of inner radius a = 3 cm and outer radius b = 8 cm is charged by a total charge Q = 4.8T µc. A point charge q = 1.6T µc is placed at the center of the spherical shell.The surface charge density at the outer surface (in 10-3 c/m?) is:A -2.87 µC charge is placed at the center of a conducting spherical shell, and a total charge of +8.70 µC is placed on the shell itself. Calculate the total charge on the outer surface of the conductor.We have a nonconducting solid sphere of radius 3.4 cm carrying a uniformly distributed positive charge of 7.6 nC. a) What is the magnitude of the electric field at a point 1.6 cm from the center of the sphere? b) What is the magnitude of the electric field at a point 4.4 cm from the center of the sphere?
- A circular plastic disk with radius R = 2.00 cm has a uniformly distributed charge Q = +(2.00 x 106)e on one face. A circular ring of width 30 µm is centered on that face, with the center of that width at radius r = 0.50 cm. In coulombs, what charge is contained within the width of the ring?Question 17 In fair weather, the electric field in the air at a particular location immediately above the Earth's surface is 117 N/C directed downward. Imagine the surface charge density is uniform over the entire surface of the planet. What then is the magnitude of the net charge, in KC, of the whole surface of the Earth?P9 E4
- A long straight wire has fixed negative charge with a linear charge density of magnitude 4.8 nC/m. The wire is to be enclosed by a coaxial, thin-walled, nonconducting cylindrical shell of radius 1.2 cm. The shell is to have positive charge on its outside surface with a surface charge densitys that makes the net external electric field is zero. Calculate s.An infinite sheet of charge is located in the y-z plane at x = 0 and has uniform charge denisity o1 = 0.62 µC/m². Another infinite sheet of charge with uniform charge density o2 = -0.29 µC/m² is located at x = c = 33 cm.. An uncharged infinite conducting slab is placed halfway in between these sheets ( i.e., between x = 14.5 cm and x = 18.5 cm). d a/2 a/2| a/2 1) What is Ex(P), the x-component of the electric field at point P, located at (x,y) = (7.25 cm, 0)? N/C Submit 2) What is oa, the charge density on the surface of the conducting slab at x = 14.5 cm? | µC/m² Submit 3) What is V(R) - V(P), the potentital difference between point P and point R, located at (x,y) = (7.25 cm, -18.5 cm)? Submit 4) What is V(S) - V(P), the potentital difference between point P and point S, located at (x,y) = (25.75 cm, -18.5 cm)? V submit + 5) What is Ex(T), the x-component of the electric field at point T, located at (x,y) = (40.25 cm, -18.5 cт)? N/C Submit R.A conducting sphere is placed within a conducting spherical shell. The conductors are in electrostatic equilibrium. The inner sphere has a radius of 1.50 cm, the inner radius of the spherical shell is 2.25 cm, and the outer radius of the shell is 2.75 cm. The inner sphere has a charge of 228 nC and the spherical shell has zero net charge. What is the electric field at a point 3.80 cm from the center? Enter a positive answer if the electric field is directed away from the center and a negative answer if the electric field is directed toward the center.