Homework Statement
thin wire connecting two conductors, a big sphere and a small sphere. What sphere has the most charge?
Homework Equations
The Attempt at a Solution
The charge will want to distribute itself over the entire surface area of the two conductors. Therefore...
Homework Statement
Two point charges sit on either side of large grounded conducting plane. Give an expression for the force experienced by the charge on the left hand side. There is a neg charge on one side and positive charge on the other side.
Homework Equations
The electric...
Homework Statement
What is the force from an infinitely long cylindrical magnet on a magnetic dipole?
Homework Equations
M=Mz (given in problem)
The Attempt at a Solution
My argument for this solution that since the magnetization is in the z direction and the cylinder is...
Homework Statement
Imagine water in a metal bowl that is open to air. This metal bowl is grounded. You add some NaCl to the water. What would the distributions of the ions look like in the water.
Homework Equations
I think this doesn't need equations, but just general understanding...
Homework Statement
Two equal sized spherical conductors are connected with a wire. Charge is placed in one conductor. What is the electric field look like?
Homework Equations
E=q/4pi*ep*r^2
The Attempt at a Solution
I think that since these two conductors are connected by a...
Homework Statement
What would the electric field lines look like if two opposite charges were placed within an infinite plane conductor?
Homework Equations
None that I am aware of.
The Attempt at a Solution
I know that electric field is 0 inside of the conductor. I know...
Homework Statement
I am basically given a cone with uniform volume charge and told to find the area of highest electric potential.
Homework Equations
I want to use the equation: V= q/4piEr
The Attempt at a Solution
I am having trouble finding anything in my book. I am comparing...
Homework Statement
Is this a traveling wave? If so, find the speed and direction.
e^-(a^2y^2+b^2t^2-2abty)
Homework Equations
Probably relevant to know the differential wave equation.
The Attempt at a Solution
I have a feeling that this is a traveling wave as it is twice...
If I convert the denominator as given in the problem I end up with: i r^2 sin(x)+r^2 (-cos(x))+1 I don't see how I can make a conjugate with 3 variables here? Am I missing something? I have went over this several times in attempt to make sure I hadn't made a mistake...