Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
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Chapter 11, Problem 11.33P
Given a wave for which
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COS (2T10
Problem 4. A voltage wave of the form V+ = (2x 10-4V) cos(
t-kz is incident from cable 1 with characteristic
impedance 201 = 1200 onto a connection to cable 2 with characteristic impedance Z02=1002. Take the speed of the cable
wave in each cable to be 2 x 10 m/s.
A) Find the amplitudes of the reflected and transmitted voltages.
B) Find the incident, reflected, and transmitted powers.
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
A 502 transmission line is terminated with a 502 resistor on series with a 2 * 10 7H inductor. If the
frequency of the operation is 60 * 10° MHz find the reflection coefficient at the load.
Select one:
O a. 0
O b. 0.45e22
O c. 1
O d. 0.36e56
O e. 0.6e-37
Chapter 11 Solutions
Engineering Electromagnetics
Ch. 11 - Show that Ex8 = Aej(k0z+) is a solution of the...Ch. 11 - Prob. 11.2PCh. 11 - Prob. 11.3PCh. 11 - Small antennas have low efficiencies (as will be...Ch. 11 - Consider two x-polarized waves that...Ch. 11 - A uniform plane wave has electric field E8 =...Ch. 11 - Prob. 11.7PCh. 11 - An electric field in free space is given in...Ch. 11 - An example of a nonuniform plane wave is a surface...Ch. 11 - Prob. 11.10P
Ch. 11 - A uniform plane wave at frequency f= 100 MHz...Ch. 11 - Repeat Problem 11.11, except the wave now...Ch. 11 - Let jk = 0.2 + jl.5 m -1 and y = 450 +J60 for a...Ch. 11 - Describe how the attenuation coefficient of a...Ch. 11 - A 10-GHz radar signal may be represented as a...Ch. 11 - Consider the power dissipation term. E.jdv, in...Ch. 11 - Prob. 11.17PCh. 11 - Given, a 100-MHz uniform plane wave in a medium...Ch. 11 - Prob. 11.19PCh. 11 - Prob. 11.20PCh. 11 - Prob. 11.21PCh. 11 - Prob. 11.22PCh. 11 - Prob. 11.23PCh. 11 - (a) Most microwave ovens operate at 2.45 GHz....Ch. 11 - Let jk = 0.2 + jl.5 m-1 and y\ = 450 +j60 Q for a...Ch. 11 - Prob. 11.26PCh. 11 - Prob. 11.27PCh. 11 - Prob. 11.28PCh. 11 - Consider a left circularly polarized wave in free...Ch. 11 - Prob. 11.30PCh. 11 - Prob. 11.31PCh. 11 - Prob. 11.32PCh. 11 - Given a wave for which Es=10ejxax+18ejxejayV/m. in...Ch. 11 - Given, a general elliptically polarized wave as...
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- A transmitting antenna with an effective height of 100 m has a rms current of 100 A at a frequency of 300 kHz. Find the electric field strength at a distance of 10 km from the antenna.arrow_forwardA sinusoidal wave on a transmission line is specified by voltage and current in phasor form: Vs(z) = Voeaz ejßz and Is(z) = 1,eaz ejßzejp where Vo and I, are both real. a) In which direction does this wave propagate and why? b) Consider that a = 0, Zo 500, and the wave velocity is v, = 2.5 × 108 m/s, with w = 108 s-1. S Find the resistance (R), the admittance (G), the inductance (L), the capacitance (C), the wavelength (1) and the current phase ().arrow_forwardA 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_forward
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- The average person can hear sound waves ranging in frequency from about 20 Hz to 20 kHz. Determine the wavelengths at these limits, taking the speed of sound to be 340 m/s. Radio station WJR in Detroit broadcasts at 760 kHz. The speed of radio waves is 3.00 x 10* m/s. What is the wavelength of WJR's waves? Radar waves with 3.4 cm wavelength are sent out from a transmitter. Their speed is 3.00 x 10° m/s. What is their frequency? When driven by a 120 Hz vibrator, a string has transverse waves of 31 cm wavekngth traveling along it. (a) What is the speed of the waves on the string? (b) If the tension in the string is 1.20 N, what is the mass of S0 cm of the string?arrow_forwardGiven a wave with e = â„20e¹ª cos (10ºt + 4x). 4x a) Identify a and B. b) What medium is this (good conductor, quasi-conductor, good dielectric)? Justify your answer. c) Find phase velocity d) Find wave impedance n. e) Draw ây, âk, ⃠and ãä on the xz plane.arrow_forward10e0.41i = find the rectangular formarrow_forward
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