Fundamentals of Electromagnetics with Engineering Applications
1st Edition
ISBN: 9780470105757
Author: Stuart M. Wentworth
Publisher: Wiley, John & Sons, Incorporated
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Chapter 5, Problem 5.44P
To determine
The reflection coefficient
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Q1. Find the core diameter for a SMF in the 2nd
window if ncore=1.48 & ncladd=1.478 ?
Q2. If an incoming ray into a fiber with
ncore=1.485 & ncladd=1.47 has an incidence
angle of 28(degree) , what's the behaviour of the
propagation path along the fiber?
Q3. Derive an expression for the chromatic
dispersion in a SMF.
Q4. If (120 uW) is launched in an (8 km) length
fiber,when measuring the Po result was(3 uW) .
Calculate Po after (10 km) after adding splices at (1
km) intervals, each giving an attenuation of (1 dB)?
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A 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 GHz
A rectangular waveguide with a horizontal length a = 3 cm and a vertical length b = 2 cm is filled with a material with a relative dielectric value of 9. What is the frequency value at which a total of 4 modes begin to propagate?
3.54 GHz
1.25 GHz
2.8 GHz
3 GHz
Chapter 5 Solutions
Fundamentals of Electromagnetics with Engineering Applications
Ch. 5 - Starting with Maxwells equations for simple,...Ch. 5 - Derive (5.10) by starting with the phasor point...Ch. 5 - A wave with =6.0cm in air is incident on a...Ch. 5 - Suppose Hs(z)=Hys(z)ay. Start with (5.14) and...Ch. 5 - Given =1.0105S/m,r=2.0,r=50., and f=10.MHz, find...Ch. 5 - In some material, the constitutive parameters are...Ch. 5 - Prob. 5.7PCh. 5 - Prob. 5.8PCh. 5 - Prob. 5.9PCh. 5 - A 100-MHz wave in free space propagates in the y...
Ch. 5 - In a lossless, nonmagnetic material with...Ch. 5 - Given E=120cos(6106t0.080y)azV/m and...Ch. 5 - Work through the algebra to derive the and...Ch. 5 - Prob. 5.15PCh. 5 - In a medium with properties =0.00964S/m,r=1.0, and...Ch. 5 - Make a pair of plots similar to Figure 5.4 for the...Ch. 5 - Starting with (5.13), show that = for a good...Ch. 5 - Prob. 5.19PCh. 5 - Calculate the skin depth at 1.00 GHz for (a)...Ch. 5 - Prob. 5.21PCh. 5 - Prob. 5.22PCh. 5 - In a nonmagnetic material,...Ch. 5 - Prob. 5.24PCh. 5 - Prob. 5.25PCh. 5 - In air, H(z,t)=12.cos(106tz+/6)axA/m. Determine...Ch. 5 - A 600-MHz uniform plane wave incident in the z...Ch. 5 - Prob. 5.28PCh. 5 - Prob. 5.29PCh. 5 - Prob. 5.30PCh. 5 - Prob. 5.31PCh. 5 - Prob. 5.32PCh. 5 - Prob. 5.33PCh. 5 - Prob. 5.34PCh. 5 - For a general elliptical polarization represented...Ch. 5 - Prob. 5.36PCh. 5 - Prob. 5.37PCh. 5 - Suppose medium 1(z0) is air and medium 2(z0) has...Ch. 5 - Suppose a UPW in air carrying an average power...Ch. 5 - Prob. 5.40PCh. 5 - Prob. 5.41PCh. 5 - Prob. 5.42PCh. 5 - Prob. 5.43PCh. 5 - Prob. 5.44PCh. 5 - Prob. 5.45PCh. 5 - A wave specified by Ei=100.cos(107t1z)axV/m is...Ch. 5 - A wave specified by Ei=12cos(2107t1z+/4)axV/m is...Ch. 5 - Prob. 5.48PCh. 5 - Prob. 5.49PCh. 5 - A randomly polarized UPW at 200 MHz is incident at...
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- The plane wave E(r, t) = 2 x cos(wt + ßx) is incident on a planar interface located at x=0. The region x0 is glass (r = 5). The frequency of the wave is 2.4 GHz. Answer the following questions using a phasor-domain representation. a. What is the incident electric field in x>0? b. What is the incident electric field in x<0? C. What is the reflected electric field? d. What is the transmitted electric field? e. What are the incident, reflected, and transmitted powers? Draw a picture indicating the direction those powers are flowing along the x-axis. Repeat Problem 2 when the region x<0 is a perfect conductor. In addition, find the electric current (if any) that is flowing on the interface.arrow_forwardAccording to the book the answers are (a) 6 x 108 m/s, (b) 1.5 x 108 m/s, (c) 13.04 GHz, (d) 2.65 cm, (e) 4.6 cmarrow_forwardI need the answer as soon as possiblearrow_forward
- In TE01 mode of wave propagation in an air-filled rectangular waveguide, if the * broader dimension of the waveguide is 2 cm, then the cutoff frequency is 5 MHz 7.5 MHz non of mentioned 5 GHz 7.5 GHz :If propagation is assumed to be in x direction then TM means that Ex=0 Ez=0 and Hz=0 Hx=0 Non of mentioned Hz=0 Ez=0arrow_forwardI'm having some diffculities with E&M. Thanks!arrow_forward= 1. A uniform plane wave traveling in the +✰ direction has the following characteristics: Ē ŷEy. The frequency is 3 GHz. The forward wave amplitude is 10 V/cm. At t=0, a minimum is at x= -2.5 cm. Assume a dielectric with εr = 9, μr = 1. Find the expression for the time variation of the electric and magnetic field intensities.arrow_forward
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- A set of 10 identical radiating point elements at d = 0.58 separated by a space if you know that the frequency, 10 = 0, the angle and the phase difference between the 1.3 GHz used is 5 = 5 elements due to the current * The value of the group factor is O 3.5 2.347 O 3.35arrow_forwardPlease help with answering this question, please write clearly and explain clearly please, thanks.arrow_forwardAn imaging sequence often involves a series of excitation pulses to generate signals to cover k−space. Since a π/2−pulse completely rotates any available Mz component onto the transverse plane, magnetization along the z−axis is always zero immediately after a π/2−pulse in any imaging sequence with π/2−pulses. True or false??arrow_forward
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