Fundamentals of Applied Electromagnetics (7th Edition)
7th Edition
ISBN: 9780133356816
Author: Fawwaz T. Ulaby, Umberto Ravaioli
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 23P
The electric field of an electromagnetic wave propagating in air is given by
Find the associated magnetic field H(z, t).
Expert Solution & Answer
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Students have asked these similar questions
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
Homework Help
The magnetic flux density of an electromagnetic plane wave is described by the equation By(z, t) = 0.2 cos(wt + Boz)j Vs/m².
is a unit vector along the y-axis
Choose the correct option:
O The amplitude of B of the wave is 0.2 Vs/m² and it advances in the direction of the negative z-axis
O The amplitude of B of the wave is 0.2 Vs/m² and it advances in the direction of the positive z-axis
O The amplitude of E of the wave is 0.2 Vs/m² and it advances in the direction of the negative z-axis
O The amplitude of E of the wave is 0.2 Vs/m² and it advances in the direction of the positive z-axis
Chapter 6 Solutions
Fundamentals of Applied Electromagnetics (7th Edition)
Ch. 6.2 - Explain Faradays law and the function of Lenzs...Ch. 6.2 - Prob. 2CQCh. 6.2 - Prob. 3CQCh. 6.2 - For the loop shown in Fig. 6-3, what is Vemftr if...Ch. 6.2 - Suppose that the loop of Example 6-1 is replaced...Ch. 6.4 - Suppose that no friction is involved in sliding...Ch. 6.4 - Is the current flowing in the rod of Fig. 6-10 a...Ch. 6.4 - For the moving loop of Fig. 6-9, find I when the...Ch. 6.4 - Suppose that we turn the loop of Fig. 6-9 so that...Ch. 6.5 - Contrast the operation of an ac motor with that of...
Ch. 6.5 - Prob. 7CQCh. 6.5 - Prob. 8CQCh. 6.7 - A poor conductor is characterized by a...Ch. 6.8 - When conduction current flows through a material,...Ch. 6.8 - Verify that the integral form of Ampres law given...Ch. 6.10 - Explain how the charge continuity equation leads...Ch. 6.10 - How long is the relaxation time constant for...Ch. 6.10 - Determine (a) the relaxation time constant and (b)...Ch. 6.11 - Prob. 7ECh. 6 - The switch in the bottom loop of Fig. P6.1 is...Ch. 6 - The loop in Fig. P6.2 is in the xy plane and B =...Ch. 6 - A coil consists of 100 turns of wire wrapped...Ch. 6 - A stationary conducting loop with an internal...Ch. 6 - A circular-loop TV antenna with 0.02 m2 area is in...Ch. 6 - The square loop shown in Fig. P6.6 is coplanar...Ch. 6 - The rectangular conducting loop shown in Fig. P6.7...Ch. 6 - Prob. 8PCh. 6 - Prob. 9PCh. 6 - A 50 cm long metal rod rotates about the z axis at...Ch. 6 - The loop shown in P6.11 moves away from a wire...Ch. 6 - The electromagnetic generator shown in Fig. 6-12...Ch. 6 - The circular, conducting, disk shown in Fig. P6.13...Ch. 6 - The plates of a parallel-plate capacitor have...Ch. 6 - A coaxial capacitor of length l = 6 cm uses an...Ch. 6 - The parallel-plate capacitor shown in Fig. P6.16...Ch. 6 - In wet soil, characterized by = 102 (S/m), r = 1,...Ch. 6 - An electromagnetic wave propagating in seawater...Ch. 6 - At t = 0, charge density v0 was introduced into...Ch. 6 - If the current density in a conducting medium is...Ch. 6 - Prob. 21PCh. 6 - If we were to characterize how good a material is...Ch. 6 - The electric field of an electromagnetic wave...Ch. 6 - The magnetic field in a dielectric material with ...Ch. 6 - Given an electric field E=xE0sinaycos(tkz), where...Ch. 6 - The electric field radiated by a short dipole...Ch. 6 - A Hertzian dipole is a short conducting wire...Ch. 6 - In free space, the magnetic field is given by...Ch. 6 - The magnetic field in a given dielectric medium is...
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- The 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 Hz . If the wave is polarized on the positive z direction 2 and its wavelength is 12.6 meter, select the equation that represents the instantaneous magnetic field. Assume the initial phase is 0. Select one: O a. H(y, t) = 30žcos(10°t – y) 12.6 О Б. Н(у, t) — 30£cos (2т10%t — 12.6у) O c. H(z, t) = 30jcos(10®t – 2) 12.6 O d. H(y, t) = 30žcos(t – 2.10 TY) 12.6 O e. H(y, t) = 30žcos(10°t + y) 12.6arrow_forwardThe electric field of a plane wave in a nonmagnetic medium is E = 50 sin (10*t + 2z)a, V/m Find magnetic filed of the plane Harrow_forwardHomework Helparrow_forward
- A current sheet K = 16 ax A/m flows in the region -2arrow_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_forward11arrow_forwardHandwrite and step by step solutionsarrow_forwardThis question is about electromagnetic fields, and I want to answer it in 10 minutesarrow_forward12.) Suppose that an electromagnetic wave is moving along the x-axis, and the magnetic field equation is given by B = (4.00 × 10-10)cos (3.14 x 10-2x + wt)k. a.) Write an expression for the electric field associated with this wave. b.) Find the frequency and the wavelength of the wave. c.) Find the average value Sava of the Poynting vector.arrow_forwardPlane z= 10 m carries charge 20nCim?. The electric field intensity at the origin is (a) 10n a, Vim (b) 18n a. Vim (c) 72n a. V/m (d) 360m a, Vimarrow_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_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 positivez direction and its wavelength is 12.6 meter, select the equation that represents the instantaneous magnetic field. Assume the initial phase is 0. Select one: O a. H(y,t) 30zcos(10°t ) 12.6 Ob. H(y, t) = 30.cos(2710°t – 12.6y). Oc H(2,1) 30ycos(10°t 2) Oa H(y,t)= 302žcos(t2.10 r) 12.6 Oe H(y,t)- 30zcos(10 t +y) 12.6 agnetic field of a wave propagating through a certain nonmagnetic matenalarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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