EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
7th Edition
ISBN: 8220100663659
Author: ULABY
Publisher: PEARSON
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Question
Chapter 7, Problem 36P
To determine
The average power flowing through an aperture in the
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Students have asked these similar questions
The plane wave with a frequency of 3 GHz has a relative dielectric constant of 2.5, a loss tangent of 0.05, and travels in a non-magnetic medium. What is the phase constant of the wave?
Question 5
A plane wave propagate through a lossless medium with &r=3 and ur=1, the magnitude of the magnetic field of this wave is give by:
H(z,t) = 4 cos(4x 107 t - Bz) A/m
The velocity of this wave is
1.73 x 108 m/s
3x 108 m/s
0.23 x 108 m/s
2.18 x 108 m/s
The magnetic field component of a plane wave in a lossless dielectric is
H = 30 sin (2nx 10°t – 5z) a, mA/m
a. If u=1 find
b. Determine the direction of wave propagation
c. Determine the polarization of the wave.
d. Calculate the wavelength and wave velocity.
e. Determine the wave impedance.
f. Find the corresponding electric field component.
g. Find the displacement current density.
Er.
Chapter 7 Solutions
EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
Ch. 7.2 - What is a uniform plane wave? Describe its...Ch. 7.2 - Since E and H are governed by wave equations of...Ch. 7.2 - If a TEM wave is traveling in the y direction, can...Ch. 7.2 - Prob. 1ECh. 7.2 - Prob. 2ECh. 7.2 - If the magnetic field phasor of a plane wave...Ch. 7.2 - Repeat Exercise 7-3 for a magnetic field given by...Ch. 7.3 - An elliptically polarized wave is characterized by...Ch. 7.3 - Prob. 5CQCh. 7.3 - The electric field of a plane wave is given by...
Ch. 7.4 - If the electric field phasor of a TEM wave is...Ch. 7.4 - The constitutive parameters of copper are = 0 = 4...Ch. 7.4 - Prob. 8ECh. 7.4 - For a wave traveling in a medium with a skin depth...Ch. 7.5 - Prob. 6CQCh. 7.5 - In a good conductor, does the phase of H lead or...Ch. 7.5 - Prob. 8CQCh. 7.5 - Is a conducting medium dispersive or...Ch. 7.5 - Compare the flow of current through a wire in the...Ch. 7.6 - Convert the following values of the power ratio G...Ch. 7.6 - Find the voltage ratio g corresponding to the...Ch. 7 - The magnetic field of a wave propagating through a...Ch. 7 - Prob. 2PCh. 7 - The electric field phasor of a uniform plane wave...Ch. 7 - The electric field of a plane wave propagating in...Ch. 7 - A wave radiated by a source in air is incident...Ch. 7 - The electric field of a planewave propagating in a...Ch. 7 - The magnetic field of a plane wave propagating in...Ch. 7 - A 60 MHz plane wave traveling in the x direction...Ch. 7 - Prob. 9PCh. 7 - For a wave characterized by the electric field...Ch. 7 - Prob. 11PCh. 7 - The magnetic field of a uniform plane wave...Ch. 7 - A linearly polarized plane wave of the form...Ch. 7 - The electric field of an elliptically polarized...Ch. 7 - Compare the polarization states of each of the...Ch. 7 - Plot the locus of E(0, t) for a plane wave with...Ch. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - In a medium characterized by r = 9, r = 1, and =...Ch. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - The skin depth of a certain nonmagnetic conducting...Ch. 7 - Prob. 24PCh. 7 - The electric field of a plane wave propagating in...Ch. 7 - The magnetic field of a plane wave propagating in...Ch. 7 - At 2 GHz, the conductivity of meat is on the order...Ch. 7 - In a nonmagnetic, lossy, dielectric medium, a 300...Ch. 7 - A rectangular copper block is 30 cm in height...Ch. 7 - Prob. 30PCh. 7 - The inner and outer conductors of a coaxial cable...Ch. 7 - Prob. 32PCh. 7 - The magnetic field of a plane wave traveling in...Ch. 7 - A wave traveling in a nonmagnetic medium with r =...Ch. 7 - The electric-field phasor of a uniform plane wave...Ch. 7 - Prob. 36PCh. 7 - A wave traveling in a lossless, nonmagnetic medium...Ch. 7 - At microwave frequencies, the power density...Ch. 7 - Consider the imaginary rectangular box shown in...Ch. 7 - Repeat Problem 7.39 for a wave traveling in a...Ch. 7 - Given a wave with E=x E0 cos(t kz): (a) Calculate...Ch. 7 - Prob. 42P
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- The plane wave with a frequency of 3 GHz has a relative dielectric constant of 2.5, a loss tangent of 0.05, and travels in a non-magnetic medium. What is the distance the wave's amplitude will be halved? 2.44 cm 2.5 cm 24.4 cm 27.7 cm 2.5 metersarrow_forwardA 60 MHz plane wave travels from a lossless dielectric medium with a relative electrical value of 1.96 and a magnetic permeability of 1 at an angle of 30 degrees to the air.what is the angle of transmission? which of the options is correct? a)44.42 b)45 c)43.36 d)48.59arrow_forwardIf for a plane wave, the electric field strength is 2 V/m and the magnetic field strngth is 5.2 mA/m, then estimate the value of the intrinsic impedance of the propagating mediumarrow_forward
- A 60 MHz plane wave comes from a lossless dielectric medium with a relative dielectric value of 1.96 and a relative magnetic permeability of 1 at an angle of 30° to the air. What is the angle of transmission? 48.59 ° 43.36 ° 44.42 ° 45 °arrow_forwardA uniform plane wave has a wavelength of 2 cm in free space and 1 cm in a perfect dielectric. What is tbe relative permittivity of the of the dielectric ?arrow_forwardA 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 marrow_forward
- A plane wave in a nonmagnetic medium has E 50 sin (10t + 2z) a, V/m. Find A, f.arrow_forwardWhat will be the electric field associated with an electromagnetic wave having a magnetic field of Hrms=0.25 A/m. The wave is propagating through free space.arrow_forwardThe electric field amplitude of a uniform plane wave propagating in the az, direction is 250V/m. IF E = Exay and w = 1.0Mrad/s, find the;a. Frequencyb. period andc. amplitude of magnetic field intensity H.μo= 1.2566 x 10^-6 H/m; εo = 8.854 x 10^-12 F/marrow_forward
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