Problem 13 (5 points) (Chap 5.24) (Learning objective: Coaxial capacitor) The capacitance of a particular coaxial cable is 30 pF/m. This cable uses polyethy- lene as the spacer material, having a relative permittivity of 2.25. What is the capacitance of this cable if the spacer material is changed from polyethylene to air?

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.26MCQ: Does r=e14r=0.788r, which comes in calculation of inductance, play a role in capacitance...
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Problem 13 (5 points) (Chap 5.24) (Learning objective: Coaxial capacitor)
The capacitance of a particular coaxial cable is 30 pF/m. This cable uses polyethy-
lene as the spacer material, having a relative permittivity of 2.25. What is the capacitance
of this cable if the spacer material is changed from polyethylene to air?
Transcribed Image Text:Problem 13 (5 points) (Chap 5.24) (Learning objective: Coaxial capacitor) The capacitance of a particular coaxial cable is 30 pF/m. This cable uses polyethy- lene as the spacer material, having a relative permittivity of 2.25. What is the capacitance of this cable if the spacer material is changed from polyethylene to air?
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