Electric displacement vector. See attached file for full problem description.
Please explain in full and do not skip steps thanks
Resitance and Reistivity: Truncated conical cylinder
see attached
Conductivity of Earth: Two hemispherical electrodes in earth.
Please see the attached file.
see attachment
Consider a large number of turns N of closely spaced (insulated) fine wire are wound in a single layer on the surface of a plastic sphere of radius a. All the planes of the turns are perpendicular to the axis of the sphere (assume the z-axis) and the windings entirely cover the surface. If the current winding is I, what is the ...continues
1. A bar of mass m, slides without friction on two long horizontal parallel conducting rails. The bar lies across the rails (perpendicular to them) and remains that way while sliding. The rails are separated by a distance d. There is a uniform, vertical magnetic field. A resistor R connects the rails. At time t=0 the bar is ...continues
1. A long cylindrical beam (with circular cross section) of charged particles has velocity v in the axial direction. The beam has a uniform charge density f (assume fixed). Find B inside and outside the beam as a function of distance from the axis, in terms of given quantities.
(See attached file for full problem description) --- 1. Consider a uniformly charged sphere with total charge Q, mass M of uniform mass density, and radius R. The sphere rotates about a diameter (assume the z-axis) with angular velocity . Find the vector potential anywhere on the axis of rotation.
Answer only question number (3). Please give detailed solution
