Fundamentals of Applied Electromagnetics (7th Edition)
7th Edition
ISBN: 9780133356984
Author: ULABY
Publisher: PEARSON
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Question
Chapter 8.8, Problem 11E
To determine
The cutoff frequency for the dominant
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Check out a sample textbook solutionStudents have asked these similar questions
For dominant mode propagation in TE mode, if the rectangular waveguide has a broader dimension of 31.14 mm , then the cut-off wave number:
a) 100
b) 500
c) 50
d) 1000
What is the cut-off wavelength of the TE03 mode in a rectangular waveguide filled with air and with a small side of 3 cm?
For Microwave Engineering Course
Q: Find the cut-off wavelength in a standard rectangular waveguide for TE31 mode having a dimension ratio of 2:1 (given broader dimension of waveguide is 2.286 cm).
Chapter 8 Solutions
Fundamentals of Applied Electromagnetics (7th Edition)
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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Similar questions
- What are the types of power loss in a rectangular waveguide?arrow_forwardA rectangular waveguide with a horizontal length a = 2 cm and a vertical length b = 1.5 cm is filled with a material with a relative dielectric value of 4. What would be the cutoff frequency for the dominant mode? 3.75 GHz 4 GHz 5 GHz 6.56 GHzarrow_forwardWhat is a waveguide? What is a slab waveguide? What is a planar waveguide? What is thin slab?arrow_forward
- what are the modes of waveguide from where does they origionate?arrow_forwardcalculate the ratio of the cross section of a circular waveguide to that of the rectangular waveguide if each is to have the same cut off wavelength for its dominant mode. Note that for standard rectangular waveguide b=a/2arrow_forwardAn air filled rectangular wave guide has dimensions ,a=2.5 cm and b=1.2 cm .the decreasing order of cut off frequencies for different modes isarrow_forward
- A rectangular waveguide measures 1.016 x 2.286 cm internally with a signal propagated in it. Complete the table below showing all mathematical expressions used in arriving at the answer. Mode Cut-off Wavelength in cm Cut-off frequency in Ghz 1 TE10 2 TE20 3 TE01 4 TE11 5 TM11 Explain the reasons for the cut-off wavelength and its importance to waveguide propagation.arrow_forwardIn a rectangular hollow waveguide with side lengths ratio b / a = 1/3, only TE modes will be excited. a. Write the first 5 cutoff frequencies in order of magnitude and indicate the corresponding modes. b. Long edge 6 cm. In what range should the operating frequency be selected to emit only the first mode when receivedarrow_forwardThe TM11 mode propagates in a hollow circular waveguide with a radius of 1 cm. If the inside of the waveguide is filled with a material with a dielectric constant of εr=4, what radius must be in mm so that the cutoff frequency remains the same?arrow_forward
- What is field pattern in a. Rectangular waveguide?b. TE mode in rectangular waveguide?c. TM mode in rectangular waveguide?arrow_forwardA hollow rectangular waveguide with cut-off frequency of 2.66 GHz is used at 3.7 GHz. Calculate the guide wavelength, phase velocity and the guide propagation velocity.arrow_forwardRadio waves with wavelengths of 500 m are simultaneously admitted from two towers. Point p lies 24000 m from one tower and 25000m from the other tower.  assume the signals reach point P without any reflections. explain whether the signal a point P will be strong or weak?arrow_forward
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