Problem 4 (5 pts): . The sphere is A sphere of charge of radius a centered...
A dielectric sphere of radius a has a ”frozen in” polarization
given by P (r) = krrˆ in standard spherical coordinates, with the
origin of the coordinate system at the center of the sphere. (A)
The sphere is surrounded by a conducting shell of inner radius a
and outer radius b > a. The total charge on the conducting shell
is zero. Is there an induced charge on the inner and outer surfaces
of the conducting shell? If so, what...
5. A thick, nonconducting spherical shell with a total charge of Q distributed uniformly has an inner radius R1 and an outer radius R2. Calculate the resulting electric field in the three regions r<RI, RL<r<R2, and r > R2
Problem 2. A solid metal sphere of radius R\ carries a charge -Q1, where Q1 > 0. Surrounding this sphere is a metal shell of inner radius R2 = 2R\ and outer radius R3 = 3R\ that carries a total charge of Q2= +3Q1 a. What is the potential for r < R assuming the potential is zero at infinity? (20pts)
3. A solid spherical insulator with radius Ry is surrounded by a conducting spherical shell with inner radius R2 and outer radius R3 and with the same center point as the central sphere. The central sphere has charge density p yr3, where r is the distance from the common center of the sphere and shell. The conducting shell has charge Q. Find the magnitude of the electric field as a function of r in the following regions: R2 (a)r s...
Problem Two: In the diagram below a point charge -Q is at the origin. It is surrounded by a spherical conducting shell of inner radius a and outer radius b. Answer the following in terms of quantities given or a subset thereof. -a (a) What is the electric field for r< a?
A solid conducting sphere with radius R centered at the origin carries a net charge q. It is concentrically surrounded by a thick conducting shell with inner radius a and outer radius b. The net charge on the outer shell is zero. (a) What are the surface charge densities sigma at r = R, r = a, and r = b? b) What is the potential V of the inner sphere, assuming a reference point at infinity. Assume now the...
4. A spherically sym metric charge distribution has the following radial dependence for the volume charge density ρ 0 if r > R where γ is a constant a) What units must the constant y have? b) Find the total charge contained in the sphere of radius R centered at the origin. c) Use the integral form of Gauss's law to determine the electric field in the region r < R. (Hint: if the charge distribution is spherically symmetric, what...
13.2. Consider a charge Q located close to a grounded conducting sphere centered(a) at the origin. The sphere is of radius a, and the charge is located at-= d, where d> a. (a) Show that an image charge Qi--a0d located a12-a2/d satisfies the condition V = 0 at the surface of the sphere. (b) Determine the surface charge density ρ(0) induced on the surface of the sphere. (c) Determine the total charge induced on the surface of the sohere. .
4 A spherically symmetric charge distribution has the following radial dependence for the volume charge density ρ: 0 if r R where γ is a constant a) What units must the constant γ have? b) Find the total charge contained in the sphere of radius R centered at the origin c) Use the integral form of Gauss's law to determine the electric field in the region r R. (Hint: if the charge distribution is spherically symmetric, what can you say...
An infinitely long insulting cylindrical shell has inner radius R1 and outer radius R2 and a uniform volume charge density p. Determine E for r<R1 and for R1<r<R2 and for r>R2