QUESTION TWOThe test specimen explained in Question 1(c) maintains the same mechanical properties evEnafter the rod is broken down from 8 mm to a 2 mm diameter copper cable. Answer the followingconcerning a 2 mm diameter copper cable with a length of 10 m to be used in domestic wiringunder a voltage of 220V:Explain what is meant by the resistivity of the copper cable. What influences thisresistivity ?(i)(ii)Determine the resistivity of the 2 mm copper cable mentioned above when a currentof 15 amps is used.(ii1)Determine the electrical conductivity of the copper cable.(iv)Using neat sketches where possible, discuss how the p-n junction of a semi-conductoris formed.

Answered: Image /qna-images/answer/0fa44a76-f129-4d67-a610-f26b576e7729.jpg

Answered: The test specimen explained in Question…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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