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Q4. a) Figure 3 shows the cross-sections of a dielectric-filled coaxial cable and an air- spaced twin wire line. b dielectric Figure 3(a) - Coaxial Cable Ꭰ Figure 3(b) - Twin Wire (i) Sketch the electric and magnetic field distributions on the cross-sections of each of the lines of Figure 3 when carrying a signal, indicating clearly the field directions relative to the power flux. (ii) If a reduction is needed in Zo, describe qualitatively the adjustments that could be made for each line in Figure 3 to achieve this (hint: consider first how line capacitance can be changed).

Q4. a) Figure 3 shows the cross-sections of a dielectric-filled coaxial cable and an air- spaced twin wire line. b dielectric Figure 3(a) - Coaxial Cable Ꭰ Figure 3(b) - Twin Wire (i) Sketch the electric and magnetic field distributions on the cross-sections of each of the lines of Figure 3 when carrying a signal, indicating clearly the field directions relative to the power flux. (ii) If a reduction is needed in Zo, describe qualitatively the adjustments that could be made for each line in Figure 3 to achieve this (hint: consider first how line capacitance can be changed).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q4. a) Figure 3 shows the cross-sections of a dielectric-filled coaxial cable and an air- spaced twin wire line. b dielectric Figure 3(a) - Coaxial Cable Ꭰ Figure 3(b) - Twin Wire (i) Sketch the electric and magnetic field distributions on the cross-sections of each of the lines of Figure 3 when carrying a signal, indicating clearly the field directions relative to the power flux. (ii) If a reduction is needed in Zo, describe qualitatively the adjustments that could be made for each line in Figure 3 to achieve this (hint: consider first how line capacitance can be changed).
Transcribed Image Text:Q4. a) Figure 3 shows the cross-sections of a dielectric-filled coaxial cable and an air- spaced twin wire line. b dielectric Figure 3(a) - Coaxial Cable Ꭰ Figure 3(b) - Twin Wire (i) Sketch the electric and magnetic field distributions on the cross-sections of each of the lines of Figure 3 when carrying a signal, indicating clearly the field directions relative to the power flux. (ii) If a reduction is needed in Zo, describe qualitatively the adjustments that could be made for each line in Figure 3 to achieve this (hint: consider first how line capacitance can be changed).
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