2.1 (A). A power transmission cable consists of ten copper wires each of 1.6 mm diameter surrounding three steel wires each of 3 mm diameter, Determine the combined E for the compound cable and hence determine the extension of a 30 m length of the cable when it is being laid with a tension of 2 kN. For steel, E = 200 GN/m²; for copper, E = 100 GN/m². 2.2 (A). If the maximum stress allowed in the copper of the cable of problem 2.1 is 60 MN/m², determine the maximum tension which the cable can support. [151.3 GN/m²; 9.6 mm.) [3.75 kN.)
2.1 (A). A power transmission cable consists of ten copper wires each of 1.6 mm diameter surrounding three steel wires each of 3 mm diameter, Determine the combined E for the compound cable and hence determine the extension of a 30 m length of the cable when it is being laid with a tension of 2 kN. For steel, E = 200 GN/m²; for copper, E = 100 GN/m². 2.2 (A). If the maximum stress allowed in the copper of the cable of problem 2.1 is 60 MN/m², determine the maximum tension which the cable can support. [151.3 GN/m²; 9.6 mm.) [3.75 kN.)
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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Question
hi can you please answer question 2.2 fully?
please see image
![9:47 1
Oleksandr
03/08/2021, 4:52 p.m.
Problems
2.1 (A). A power transmission cable consists of ten copper wires each of 1.6 mm diameter surrounding three steel
wires each of 3 mm diameter. Determine the combined E for the compound cable and hence determine the extension
of a 30 m length of the cable when it is being laid with a tension of 2 kN.
For steel, E = 200 GN/m2; for copper, E = 100 GN/m2.
[151.3 GN/m2; 9.6 mm.]
2.2 (A). If the maximum stress allowed in the copper of the cable of problem 2.1 is 60 MN/m?, determine the
maximum tension which the cable can support.
[3.75 kN.)
3.44p 7 x 10-°x 30 x 200 x 109
200 x 10°](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feac35e1e-d390-4c21-9115-8622d53b9654%2F3fbb8f23-58e8-4371-b922-c1bcce0e0681%2Fbuhue7_processed.png&w=3840&q=75)
Transcribed Image Text:9:47 1
Oleksandr
03/08/2021, 4:52 p.m.
Problems
2.1 (A). A power transmission cable consists of ten copper wires each of 1.6 mm diameter surrounding three steel
wires each of 3 mm diameter. Determine the combined E for the compound cable and hence determine the extension
of a 30 m length of the cable when it is being laid with a tension of 2 kN.
For steel, E = 200 GN/m2; for copper, E = 100 GN/m2.
[151.3 GN/m2; 9.6 mm.]
2.2 (A). If the maximum stress allowed in the copper of the cable of problem 2.1 is 60 MN/m?, determine the
maximum tension which the cable can support.
[3.75 kN.)
3.44p 7 x 10-°x 30 x 200 x 109
200 x 10°
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