1. Find the magnetic field intensity H everywhere in air due to the volume current density...
I am very lost! 1. The Biot-Savart Law states that a current induces a magnetic field of intensity H dL Free space pa dH a. If the wire is long and is carrying 10 A of current, find the magnetic field intensity H(p). then plot the field intensity vs. p on a graph for 1 sps 5 cm. A ferrite toroid 4-1 000) with an inner radius A = 1.21 cm and an outer radius P2- 4 cm is positioned...
4. (12 points) Ampere's law in cylindrical coordinates (p,p,z.) An infinitely long coaxial cable is given in the figure below. The inner conductor has a radius of R1 = 1.00cm. The outer conductor has a radius R2 = 2.00cm and has negligible thickness. The inner conductor has a current density given by J 2.00A p (TR1) flowing out of the page (positive z direction), where ρ is the radial direction. The outer conductor has a current 1 of 1.00 Amperes...
#1 and #3 I) )A solid insulating sphere of radius a carries a net positive charge density 3p uniformly distributed throughout its volume. A conducting spherical shell of inner radius 2a and outer radius 3a is concentric with the solid sphere and carries a net charge density-22 Using Gauss's law, find the electric field everywhere. Sketch the electric field 2) "A) The current density in a cylindrical wire of radius R meters is uniform across a cross section of the...
2) A coaxial cable (along 2) consists of a thick uniform cylindrical metallic wire of radius Rį and a thin metallic shell of radius Rg > Ri. The current density ji =jo (+2) is uniformly distributed within the volume of the inner wire and the current density j2 = jo (-2) flows through the outer shell. The region Ri <r< R2 contains a dielectric with A = 20- a) Calculate the B-field everywhere in terms of the net current I....
3-28. A very long, nonmagnetic conductor (,-) of radius a carries the static current I as shown. The conductor is surrounded by a cylindrical sleeve of nonconducting magnetic material with a thickness extending from ρ-; a top-b and the permeability μ. The surrounding region is air. (a) Make use of symmetry and Ampère's law (3-66) to find H and B in the three regions (Label the closed lines employed in the proof, depicting H in the proper sense on each...
5. (20 points) For many dielectric materials, the relationship between the displacement field D and the electric field E in the material is linear and can be represented simply by th equation D-eE, where ε is the permittivity of the medium. Consider now two long, co- axial cylindrical conducting shells separated by such a dielectric (see the cross-sectional figure below). Let the surface charge density on the inner cylinder with radius a be +o, and assume that the charge is...
10. A hollow cylindrical conductor (inner radius - current i uniformly spread over its b) carries a cross section. Which graph below correctly a, outer radius gives B as a function of the distance r from the center of the cylinder?
The magnetic field intensity in all of space is given in terms of spherical coordinates: (1 point) The magnetic field intensity in all of space is given in terms of spherical coordinates: A/m. sin θ Use this knowledge in both parts below. (a) Find the current density (in spherical coordinates) at the point P, whose Cartesian coordinates are (z,ys) = (85,-15,-2). ANSWER: At P, J a+ ag+ ap A/m2 (b) Find the net current, I,flowing through the conical surface S...
1) A magnetic field intensity vector H has only Z component given by HZ= 3xcosβ+6ysinα. If the field is invariant with time. What is the expression for the current density vector J? (α and β are constants). 2) An electron whose Q= -1.602*10-19 C, is moving with a velocity of 106m/s in the ax direction in a magnetic field B=0.2ax-0.3ay+0.5az wb/m2. What is the electric field present if no net force is applied tot he electron. ( Note = Total...
1. Find the electric field at point a for: a. A solid sphere of radius R carrying a volume charge density ρ b. An infinitely long, thin wire carrying a line charge density Side Cross Section C. A plane of infinite area carrying a surface charge density ơ PoT 2. Avery long cylinder with radius a and charge density pa-is placed inside of a conducting cylindrical shell. The cylindrical shell has an inner radius of b and a thickness of...