Fundamentals of Electromagnetics with Engineering Applications
Fundamentals of Electromagnetics with Engineering Applications
1st Edition
ISBN: 9780470105757
Author: Stuart M. Wentworth
Publisher: Wiley, John & Sons, Incorporated
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Chapter 8, Problem 8.8P
To determine

The phasor magnetic field Hos , electric field Eos and average power density P .

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IInitial conditions are frequency 5 x106 Hz and current 1.5 A A magnetic far field of an antenna has the form B = Bosine/r sin(kr - wt)e+. a) What is the phase of the wave at r = 6m when t = 0. b) Find the associated electric field and show a method to check this.
XYZ = 675 Question 1 A XYZ ampere flows along a lamp post in the z direction at a location (0 m, Om) . A 400 ampere flows along a lamp post in the z direction at a location (0.02 m, 0 m). The B-field is on the x-y plane. Find the B-vector at the location (- 0.03m, - 0.06 m), magnitude and direction, polar coordinates Complete the following table Current at (0 , 0) ampere Current at (0.02 m, 0 m) | B magnitude (Tesla) B angle polar coordinate (degrees from x-axis counter ampere clockwise) XYZ 400 XYZ + 100 400 XYZ + 200 400 XYZ + 300 XYZ + 400 XYZ + 500 400 400 400 Use Excel to plot B- magnitude on the y-axis versus current at (0,0) on the x-axis. Show data points. Copy and paste onto docx or pdf for Blackboard submission. Is the graph linear? Explain Use Excel to plot B-angle on the y-axis versus current at (0,0) on the x-axis. Show data points. Copy and paste onto docx or pdf for Blackboard submission. Is the graph linear? Explain XYZ = 675
1. a. An electromagnetic field just at the corner of the horn antenna (one type of antenna) is given by the expression: P = 2x*yzāx + 2xzā, . Find divergence of this vector field at point (1, 4, 1) m. And Also describe the behavior of the electromagnetic field at the point (2, 2, 1) m.
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Demos: Dielectric breakdown; Author: Caltech's Feynman Lecture Hall;https://www.youtube.com/watch?v=2YrHh1ikefI;License: Standard Youtube License