EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
7th Edition
ISBN: 8220100663659
Author: ULABY
Publisher: PEARSON
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Chapter 7, Problem 37P
A wave traveling in a lossless, nonmagnetic medium has an electric field amplitude of 24.56 V/m and an average power density of 2.4W/m2. Determine the phase velocity of the wave.
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Problem 4. What direction is a wave of the form cos (ot + kz) traveling? What is the phase
and group velocity of this wave?
The magnetic field of a wave
propagating through a certain
nonmagnetic material in the negative
z direction has an amplitude of
45mA/m and a frequency of
10° Hz. If the wave is polarized on
the positive x direction and the
phase velocity of the wave is
10°m/s. Assume the initial phase
is 30°.
Find the wave number.
Select one:
O a. The wave number is: 67
O b. The wave number is: 2T
O c. The wave number is: 2.5
O d. The wave number is: 7.6
4.2 A wave of sinusoidal nature has an angular velocity of 314.16 rad/s and has a particle displacement of 22.825 m after 6 ms.4.2.1 Draw the wave on the graphing paper below. Clearly show the calculations and indicate/highlight the amplitude, period of one of the cycles and the point of displacement described above.
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 impedance value of the wave? 238 Ohm 377 Ohm 120 Ohm 150 Ohmarrow_forwardThe magnetic field of a wave propagating through a certain nonmagnetic material in the negative z direction has an amplitude of 45mAlm and a frequency of 10Š Hz. If the wave is polarized on the positive x direction and the phase velocity of the wave is 10 m/s. Assume the initial phase is 30°. Find the relative permittivity of the material. Select one: O a. The relative permittivity of the material = 1 O b. The relative permittivity of the material = V3 O c. The relative permittivity of the material = 0 O d. The relative permittivity of the material = 3 O e. The relative permittivity of the material = 9 %3Darrow_forwardFor a non-magnetic material having e, = 2.25, o = 10-4 Find the intrinsic impedance for a wave having a frequency of 2.5 MHz. O 25.4490.09° 0 O 254490.09° 25.449.09° 0 O 254.049.09° 0,arrow_forward
- H5arrow_forward(t) = Fejtáx with is The wave parameters M₂ = 4.5 μ0₁ E₂ = 1.280. Calculate the magnetic field phasor and time-Overased pgniting vector for this wave. with electric field phasor propapating in a perfect dielectric medium 4) you are given a plane wavearrow_forwardA medium has a complex impedance having a phase of Theta. The time averaged power of a TEM wave travelling in this medium will be dependent on: cos(0.5*Theta) sine(0.5*Theta) tan(0.5*Theta) cos(Theta) sine(Theta) tan(Theta) cos(2*Theta) sine(2*Theta) tan(2*Theta) none of thesearrow_forward
- Problem 5. What direction is a wave of the form cos (Aot - Akz) traveling? What is the phase and group velocity of this wave?arrow_forwardExplain this don’t understand at allarrow_forwardThe magnetic field of a wave propagating through a certain nonmagnetic material in the positive y direction has an amplitude of 30 mA/m and a frequency of 10 Hz . If the wave is polarized on the positive z direction and its wavelength is 12.6 meter, find the wavenumber. Assume the initial phase is 0. Select one: O a. rad/m 12.6 O b. 2 m/sec 12.6 O c. 108 rad/m O d. 108 rad/secarrow_forward
- An wave is travelling through a dielectric medium whose relative permittivity is 2.8 and relative permeability is 1.8. What will be the speed of the wave?arrow_forwardcomplete solution pls step by step , and write clearly thankyouarrow_forwardThe magnetic field of a wave propagating through a certain nonmagnetic material in the positive y direction has an amplitude of 30 mA/m and a frequency of 1082π1082πHz . If the wave is polarized on the positive z direction and its wavelength is 12.6 meter, find the equation of the instantaneous Electric field. Assume the initial phase is 0.arrow_forward
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