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c) A high-voltage transmission line conductor of radius 10mm is suspended in air, at height = 12m above an ideal ground plane. Using the method of images, the field distribution at ground level can be estimated as shown in Figure 1. Ep Image Charge Figure 1 (i) Sketch a plot of the electric potential and electric field along a vertical line from the centre of the wire to the ground. (ii) The line is operated at +33kV dc. Estimate the charge density λ on the conductor to the nearest nC/m (iii) What is the line to ground capacitance per unit length of this trasmission line? State any assumptions made and explain your reasoning.

c) A high-voltage transmission line conductor of radius 10mm is suspended in air, at height = 12m above an ideal ground plane. Using the method of images, the field distribution at ground level can be estimated as shown in Figure 1. Ep Image Charge Figure 1 (i) Sketch a plot of the electric potential and electric field along a vertical line from the centre of the wire to the ground. (ii) The line is operated at +33kV dc. Estimate the charge density λ on the conductor to the nearest nC/m (iii) What is the line to ground capacitance per unit length of this trasmission line? State any assumptions made and explain your reasoning.

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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c) A high-voltage transmission line conductor of radius 10mm is suspended in air, at height = 12m above an ideal ground plane. Using the method of images, the field distribution at ground level can be estimated as shown in Figure 1. Ep Image Charge Figure 1 (i) Sketch a plot of the electric potential and electric field along a vertical line from the centre of the wire to the ground. (ii) The line is operated at +33kV dc. Estimate the charge density λ on the conductor to the nearest nC/m (iii) What is the line to ground capacitance per unit length of this trasmission line? State any assumptions made and explain your reasoning.
Transcribed Image Text:c) A high-voltage transmission line conductor of radius 10mm is suspended in air, at height = 12m above an ideal ground plane. Using the method of images, the field distribution at ground level can be estimated as shown in Figure 1. Ep Image Charge Figure 1 (i) Sketch a plot of the electric potential and electric field along a vertical line from the centre of the wire to the ground. (ii) The line is operated at +33kV dc. Estimate the charge density λ on the conductor to the nearest nC/m (iii) What is the line to ground capacitance per unit length of this trasmission line? State any assumptions made and explain your reasoning.
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