EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
7th Edition
ISBN: 8220100663659
Author: ULABY
Publisher: PEARSON
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Chapter 8, Problem 16P
To determine
The maximum depth
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Two identical sinusoidal waves with wavelengths of 1.5 m travel in the same
direction at a speed of 20 m/s. If the two waves originate from the same starting
point, but with time delay At between them, and with resultant amplitude
A resultant = v3 A then At will be equal to:
0.005 sec
0.01 sec
O 0.0125 sec
0.00625 sec
O 0.025 sec
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Question 4
A radio wave is propagating at a frequency of 0.5MHZ in a medium (o = 3*10 S/m
, Er = Hr =1).The wave length of the radio wave in that medium will be
3.55
Non of These
2.88 mm
5.88
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A standing wave with wavelength A = 1.2 m
and frequencyf = 50 Hz is generated on a
stretched cord. For an element of the cord
at x = 0.5 m, the maximum transverse
%3D
velocity is v(y,max) = 2Tt m/s. The amplitude
A of each of the individual waves producing
%3D
the standing wave is:
O 0.03 m
0.01 m
0.025 m
0.02 m
0.0125 m
Chapter 8 Solutions
EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
Ch. 8.1 - Prob. 1CQCh. 8.1 - In the radar radome design of Example 8-1, all the...Ch. 8.1 - Explain on the basis of boundary conditions why it...Ch. 8.1 - Prob. 1ECh. 8.1 - Prob. 2ECh. 8.1 - Obtain expressions for the average power densities...Ch. 8.2 - In the visible part of the electromagnetic...Ch. 8.2 - If the light source of Exercise 8-4 is situated at...Ch. 8.3 - If the index of refraction of the cladding...Ch. 8.4 - Prob. 4CQ
Ch. 8.4 - What is the difference between the boundary...Ch. 8.4 - Why is the Brewster angle also called the...Ch. 8.4 - At the boundary, the vector sum of the tangential...Ch. 8.4 - A wave in air is incident upon a soil surface at i...Ch. 8.4 - Determine the Brewster angle for the boundary of...Ch. 8.4 - Prob. 9ECh. 8.8 - What are the primary limitations of coaxial cables...Ch. 8.8 - Can a TE mode have a zero magnetic field along the...Ch. 8.8 - What is the rationale for choosing a solution for...Ch. 8.8 - What is an evanescent wave?Ch. 8.8 - For TE waves, the dominant mode is TE10, but for...Ch. 8.8 - Prob. 10ECh. 8.8 - Prob. 11ECh. 8.8 - Prob. 12ECh. 8.10 - Why is it acceptable for up to exceed the speed of...Ch. 8.10 - Prob. 13ECh. 8.10 - Prob. 14ECh. 8 - A plane wave in air with an electric field...Ch. 8 - A plane wave traveling in medium 1 with r1 = 2.25...Ch. 8 - A plane wave traveling in a medium with r1 = 9 is...Ch. 8 - A 200 MHz, left-hand circularly polarized plane...Ch. 8 - Prob. 5PCh. 8 - A 50 MHz plane wave with electric field amplitude...Ch. 8 - What is the maximum amplitude of the total...Ch. 8 - Repeat Problem 8.6, but replace the dielectric...Ch. 8 - Prob. 9PCh. 8 - Prob. 10PCh. 8 - Repeat Problem 8.10, but interchange r1 and r3.Ch. 8 - Orange light of wavelength 0.61 m in air enters a...Ch. 8 - A plane wave of unknown frequency is normally...Ch. 8 - Consider a thin film of soap in air under...Ch. 8 - A 5 MHz plane wave with electric field amplitude...Ch. 8 - Prob. 16PCh. 8 - Prob. 17PCh. 8 - Prob. 18PCh. 8 - Prob. 19PCh. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - A plane wave in air with E=y20ej(3x+4z) (V/m) is...Ch. 8 - Prob. 28PCh. 8 - A plane wave in air with Ei=(x9y4z6)ej(2x+3z)(V/m)...Ch. 8 - Natural light is randomly polarized, which means...Ch. 8 - A parallel-polarized plane wave is incident from...Ch. 8 - A perpendicularly polarized wave in air is...Ch. 8 - Show that the reflection coefficient can be...Ch. 8 - Prob. 34PCh. 8 - Prob. 35PCh. 8 - A 50 MHz right-hand circularly polarized plane...Ch. 8 - Consider a flat 5 mm thick slab of glass with r =...Ch. 8 - Derive Eq. (8.89b).Ch. 8 - Prob. 39PCh. 8 - A TE wave propagating in a dielectric-filled...Ch. 8 - Prob. 41PCh. 8 - Prob. 42PCh. 8 - Prob. 43PCh. 8 - Prob. 44PCh. 8 - Prob. 45PCh. 8 - Prob. 46PCh. 8 - Prob. 47P
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- A standing wave with wavelength A = 1.2 m and frequency f%= 100 Hz is generated on a stretched cord. For an element of the cord at x = 0.5 m, the maximum transverse velocity is v(y,max) = 2Tt m/s. The amplitude A of each of the individual waves producing the standing wave is: 0.01 m 0.03 m ) 0.0125 m 0.025 m 0.02 miarrow_forwardAccording to the book the answers are (a) 6 x 108 m/s, (b) 1.5 x 108 m/s, (c) 13.04 GHz, (d) 2.65 cm, (e) 4.6 cmarrow_forward3) A 10-kHz VLF (very low frequency) plane wave is transmitted into the ocean, as a ship is trying to communicate a message to a submerged submarine. The position of the ship is approximately at the vertical line relative to the submarine. The amplitude of electric field intensity (E) of the transmitted wave just below the water surface (within the water) is 2 kV/m. Assume that the seawater has µ₁ = 1, & = 72, &" = 0 (this value is so small at kHz frequency level for sea water, which can be neglected) and o 6 S/m. The submarine needs an electric field intensity E of at least 0.01 µV/m for a proper communication with ship. = a) Find the maximum depth of the submarine's antenna with respect to water surface, and the average power of the wave at that depth and just below the water surface. By comparing these average power values, comment on the difficulty of communication with this frequency at underwater. b) Do you think the increase of the frequency to GHz level (1 GHz or higher) can…arrow_forward
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