A spherical shell of inner radius a and outer radius b carries a polarization P = kr (rhat) (a < r < b). Calculate the bound charges sigma_b (inner and outer surfaces) and rho_b, and find the electric field E in all three regions.
A spherical shell of inner radius a and outer radius b carries a polarization P = kr (rhat) (a < r < b). Calculate the bound charges sigma_b (inner and outer surfaces) and rho_b, and find the el...
A spherical shell has an inner radius of a and an outer radius of b. The shell is made of a dielectric material and has a polarization P f. The shell is neutral and there is no free charge. Determine the electric field in the three regions: (i) r < a; (i) a <r< b; and (ii) r > b using two different methods. (a) Determine the bound charges in each region and use Gauss' law to determine the electric...
A spherical shell linear dielectric of e inner radius a and outer radius for b is filled with is embedded with a free charge density of ρ(r) = kr. (a) Find the electric displacement D in each slab. (b) Find the electric field E in each slab. (c) Find the polarization P in each slab (d) Find the potential difference between the plates (e) Find the location and amount of all bound charge.
Problem 3 A spherical shell of dielectric material with inner radius a and outer radius b has a polarisation P(r) kr which is frozen into the material, and where k is a constant. As usual, r is the distance from the centre. There is no free charge 1) Calculate all the bound charges 2) Calculate the electric field inside the dielectric by first calculating the electric displacement D 3) Cross-check your result by using Gauss's law (i.e. for E without...
A thick spherical dielectric shell (inner radius a, outer radius b) has a "frozen-in" polarization: where k is a constant. Find the electric field for: a) r< a, b) a < r <b, andc) r > b
A perfectly conducting spherical shell has an inner radius a and an outer radius b as shown below. The region r< a is hollow. The entire shell has a net charge of Q IC] on it because it has been stuck by lightning. Determine the electric field vector in all three regions: r<a, a< r b, and r > b. Determine the surface charge densities po and po on the two metal surfaces. Explain how this problem illustrates the Faraday...
A thick spherical shell (inner radius a, outer radius b) is made of dielectric material with a "frozen-in" polarization P(r) 0 r<a P(r) ksin(0)/r r a<r<b where k is a constant, r is the distance from the center, and r is the radial unit vector. There is no free charge in the problem 1. Find expressions for all the bound (volume and surface) charge. Interpret with a diagram. 2. Determine the total bound charge. Be aware if the bound charge...
A conducting spherical shell with inner radius a and outer radius b has a positive point charge Q located at its center. The total charge on the shell is -3Q, and it is insulated from its surroundings (Fig. P22.44) (a) Derive expressions for the electric-field magnitude E in terms of the distance from the center for the regions r < a, a < r < b, and r > b. What is the surface charge density (b) on the inner...
Problem 3 A spherical shell of dielectric material with inner radius a and outer radius b has a polarisation, P(r) = k (r+ P(E)=(-+) which is frozen into the material, and where k is a constant. As usual, r is the distance from the centre. There is no free charge. 1) Calculate all the bound charges. 2) Calculate the electric field inside the dielectric by first calculating the electric displacement D. 3) Cross-check your result by using Gauss's law (i.e....
A hollow insulating spherical shell of inner radius R0 and outer radius R1 is positively charged with a charge density of p(r) = p0(1 – (r/R1)3). A positive charge +Q is placed in the center of the hollow sphere and a concentric grounded conducting shell with inner radius R2 and outer radius R3 surrounds the hollow sphere. (The conducting shell was neutral before it is grounded.) (a) What is the total charge on the insulating sphere? (b) What charges are on the...
A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d. The inner shell has a total charge of -2q and the outer shell has a total charge of +4 q. Specify magnitude and direction. (a) What is the electric field for b < r < d? (b) what is the electric field for r>d?