Problem 2. Find the displacement current density associated with the magnetic field H-A cos(5x) cos(ot +B)a A2 sin(5x) sin(ot -Bz)a Problem 2. Find the displacement current density associated wi...
please solve it as fast as possible Example: Find the displacement current density associated with the magnetic field (assume zero conduction current) H = A1 sin(4x) cos(wt - Bz) az + A2 cos(4x) sin(wt - Bz) az? son 1 А" В І
2010 ( electric field described by Е-Eax cos(kz-ot) +Eby sin(kz-ot) a. What is the associated magnetic field, H? 25) 8. A plane wave of elliptically polarized light in a vacuum has an perfect reflector with a normal along the z-axis c. Discuss the changes in your calculation in part b if the L x L reflector has a normal which has polar angles of 0° and φο. Include comments on the changes if the wavelength of the light is much...
(a) The circuit below is immersed in a magnetic field B(t, y) = cos(ot-ky), where k and o are constants with units of rad/m and rad/s, respectively. Assuming the resistance is R = 15 Ohms, find the current i(t). The circuit wires are made of a perfect conductor. L1 30.1(m) اه - 0.3(m) - (6) The perfectly conducting sliding bar in the figure below oscillates over the parallel sliding rails in a sinusoidally varying magnetic field given by B =...
1. Given the magnetic field B 2 (a) Find the current density that produces it. (b) Check if the constant vector potential A = found current density. can be produced by the
1. Find the magnetic field intensity H everywhere in air due to the volume current density J- uniformly distributed over the inner cylinder o radiusa in the region 0spsa,oses 2r.-acz < and the uniform surface current distribution J.-i,, which nows on the cylindrical shell that is located at ρ=b,0 φ 2r,-oczco. Note that both current densities flow in the 2 direction
(a) Can the displacement current exist in vacuum? Briefly explain. (2 points) (b) Consider a medium with dielectric permittivity є, magnetic permeability k. The conductivity ơ--O. If the magnetic field in this medium is H = H0 sin (at-kz)as, where-=--, find the electric field . You can assume that at t = 0, E = 0 at z = 0 (4 points) (c) The displacement current causes magnetic field in the same way conduction current does. True or false? Choose...
19. A rectangular loop is situated in a uniform time-harmonic magnetic field of magnetic flux density B(t) = B, sin wt. Vector B is normal to the plane of the loop. The induced electromotive force (emf) in the loop is of the following form: (A) (B) (C) (D) (E) eind(t) = V, sin ot. Lind(t) = -V, cos 20t. Cind(t) = -V. Cind(t) = -Vo cos wt. eind(t) = 0.
displacement 2. (15%) In a medium characterized by = Ho, E = 480, o = 0 , the time-harmonic electric field intensity is written as Ē = 20 sin (10% - Bz)āx , find the B. Ħ(x, y, z, t), and its displacement current density. odiml>lic
2. Total Current Density The magnetic field , B, in a ferromagnetic material is a known function of spatial coordinates. (a) Prove that the total (conduction plus magnetization) volume current density in linear material, total = + m, can be expressed in terms of B as follows: total = x B/MO. (b) Specifically, compute total for B(x,y,z) = (2x +z)/y28+ (2/y)ý + (x + 2y)2 T. (c) In a uniform Ē field, assume there exists a volume current density T...
If a vector field is defined as A = 5x 2(sinmx)a x, find div (A) for x-1. The density given by the density of ps 12 sin ø uC/m2, with 4 m radius circular disc shaped charge distribution is surrounded by S surface. What is the net flux that cuts S surface? Expression of a vector field in cylindrical coordinates is given by Zre-sza z Determine div(A) at (1 /2, π / 2,0) If a vector field is defined as...