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5. Charge distributed on a spherical surface of radius a produces the potential φ(a, 0) φ.cos)...
2. (30 POINTS) A spherical shell of radius R holds a potential on its surface of:...
2. (30 POINTS) A spherical shell of radius R holds a potential on its surface of: V(R, 0) = V.(1 + 2cose - cos20) (a.) Find the potential inside and outside the sphere. (b.) Find the surface charge density on the sphere. (c.) Find the dipole moment and the dipole term of the electric field, Epip.
A conducting sphere of radius a, at potential Vo, is surrounded by a thin concentric spherical...
A conducting sphere of radius a, at potential Vo, is surrounded by a thin concentric spherical shell of radius b, over which someone has glued a surface charge density σ(8)-k cos θ, where k is a constant and θ is the polar spherical coordinate. (a) Find the potential in each region: (i)r > b, and () a<r<b. [5 points] [Hint: start from the general solution of Laplace's equation in spherical coordinates, but allow for different coefficients in the radial part...
2) A surface charge density o=0, cos is distributed on a spherical shell of radius R....
2) A surface charge density o=0, cos is distributed on a spherical shell of radius R. i) (20 points) Calculate the electric potential outside the sphere using the solution of Laplace equation. ii) (20 points) Find the electric potential using the definition of scalar potential.
Problem 5: A thin (non-conducting) spherical shell of radius R has a uniform surface charge density...
Problem 5: A thin (non-conducting) spherical shell of radius R has a uniform surface charge density ơ and is spinning around its axis with angular velocity wWo (a) [3 pts] Find the surface current density K of the spinning shell. (b) [5 pts] Find the magnetic dipole moment m of the spinning shell. Some possibly useful integrals: sin3 θd_ (1/12) (cos(39)-9 cos θ) sin' θd_ (1/32)(129-8 sin(29) + sin(40)) sin2 θ cos2 θdθ = (1/32) (49-sin(49) sin'ecosade = (1/30)cos'(9)(3cos(29-7)
2. Potentials and a Conducting Surface The electric potential outside of a solid spherical conductor of...
2. Potentials and a Conducting Surface The electric potential outside of a solid spherical conductor of radius R is found to be V(r, 9) = -E, cose (--) where E, is a constant and r and 0 are the spherical radial and polar angle coordinates, respectively. This electric potential is due to the charges on the conductor and charges outside of the conductor 1. Find an expression for the electric field inside the spherical conductor. 2. Find an expression for...
2. Spherical Dipole - The surface charge density on a sphere of radius R is constant, +0, on the entire northern hemisphere, and-oo on the entire southern hemisphere. There are no other charges prese...
2. Spherical Dipole - The surface charge density on a sphere of radius R is constant, +0, on the entire northern hemisphere, and-oo on the entire southern hemisphere. There are no other charges present inside or outside the sphere. (a) (4 pts) Compute the dipole moment of that sphere (with the +z-axis up through the pole of the positive, +Oo, hemisphere). Use the definition of a dipole moment, p-Jr, (7)dr', which in this case becomes p:-:J20(7)dA. Write your final answer...
5. A hollow sphere of radius R has a potential on the surface of V(θ, d)...
5. A hollow sphere of radius R has a potential on the surface of V(θ, d) Vo cos θ. There is no a) Find the potential everywhere inside and outside the sphere. b) Find the electric field everywhere inside the sphere. (You will find it easier to convert the potential to Cartesian coordinates and then find the field.) c) Find the charge density σ(0) on the surface of the sphere using Gauss' law. charge inside or outside the sphere.
2. (30 POINTS) A spherical shell of radius R holds a potential on its surface of: V(R, 0) = V.(1 + 2cose - cos20) (a.) Find the potential inside and outside the sphere. (b.) Find the surface charge density on the sphere. (c.) Find the dipole moment and the dipole term of the electric field, Epip.
A conducting sphere of radius a, at potential Vo, is surrounded by a thin concentric spherical shell of radius b, over which someone has glued a surface charge density σ(8)-k cos θ, where k is a constant and θ is the polar spherical coordinate. (a) Find the potential in each region: (i)r > b, and () a<r<b. [5 points] [Hint: start from the general solution of Laplace's equation in spherical coordinates, but allow for different coefficients in the radial part...
2) A surface charge density o=0, cos is distributed on a spherical shell of radius R. i) (20 points) Calculate the electric potential outside the sphere using the solution of Laplace equation. ii) (20 points) Find the electric potential using the definition of scalar potential.
Problem 5: A thin (non-conducting) spherical shell of radius R has a uniform surface charge density ơ and is spinning around its axis with angular velocity wWo (a) [3 pts] Find the surface current density K of the spinning shell. (b) [5 pts] Find the magnetic dipole moment m of the spinning shell. Some possibly useful integrals: sin3 θd_ (1/12) (cos(39)-9 cos θ) sin' θd_ (1/32)(129-8 sin(29) + sin(40)) sin2 θ cos2 θdθ = (1/32) (49-sin(49) sin'ecosade = (1/30)cos'(9)(3cos(29-7)
2. Potentials and a Conducting Surface The electric potential outside of a solid spherical conductor of radius R is found to be V(r, 9) = -E, cose (--) where E, is a constant and r and 0 are the spherical radial and polar angle coordinates, respectively. This electric potential is due to the charges on the conductor and charges outside of the conductor 1. Find an expression for the electric field inside the spherical conductor. 2. Find an expression for...
2. Spherical Dipole - The surface charge density on a sphere of radius R is constant, +0, on the entire northern hemisphere, and-oo on the entire southern hemisphere. There are no other charges present inside or outside the sphere. (a) (4 pts) Compute the dipole moment of that sphere (with the +z-axis up through the pole of the positive, +Oo, hemisphere). Use the definition of a dipole moment, p-Jr, (7)dr', which in this case becomes p:-:J20(7)dA. Write your final answer...
5. A hollow sphere of radius R has a potential on the surface of V(θ, d) Vo cos θ. There is no a) Find the potential everywhere inside and outside the sphere. b) Find the electric field everywhere inside the sphere. (You will find it easier to convert the potential to Cartesian coordinates and then find the field.) c) Find the charge density σ(0) on the surface of the sphere using Gauss' law. charge inside or outside the sphere.
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