(iii) If the insulating material is imperfect with conductivity 5.1x 10-9 S/m and relativepermittivity 2, calculate the leakage resistance and capacitance of the redesigned cable. Ans:4.45pF/m, 780MN(iv)Draw a circuit model of the cable showing all associated resistances, inductances andcapacitance. Question 3Figure shows the cross-sectional view of a coaxial cable of length I. The radius a= Imm, b= 5mm. The cable is carrying I= 100 mA. Both the insulating mediumand the conductor are characterised by HFHOH/m(i) Derive expressions for internal and external inductances per unit length of thecable and then calculate the values.(ii) Redesign the cable if the external inductance must be limited to 100nH/m,while conductor still needs to carry 100 mA. What is the limitation for theredesigned cable?

Question 3 Figure shows the cross-sectional view of a coaxial cable of length 1. The radius a = 1mm, b = 5mm. The cable is carrying I= 100 mA. Both the insulating medium and the conductor are characterised by μμo H/m (i) Derive expressions for internal and external inductances per unit length of the cable and then calculate the values. (ii) Redesign the cable if the external inductance must be limited to 100nH/m, while conductor still needs to carry 100 mA. What is the limitation for the redesigned cable? ⓇI b

Question 3 Figure shows the cross-sectional view of a coaxial cable of length 1. The radius a = 1mm, b = 5mm. The cable is carrying I= 100 mA. Both the insulating medium and the conductor are characterised by μμo H/m (i) Derive expressions for internal and external inductances per unit length of the cable and then calculate the values. (ii) Redesign the cable if the external inductance must be limited to 100nH/m, while conductor still needs to carry 100 mA. What is the limitation for the redesigned cable? ⓇI b

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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