1. A copper wire 100 m long must experience a voltage drop of less than 1.5 V when a current of 2.5 A passes through it. Using the data in the Table, compute the minimum diameter of the wire. Electrical Conductivity [(N-m)¯'] Metal 6.8 x 10 6.0 x 10 4.3 x 10 3.8 × 107 1.6 x 10 1.0 × 10 0.94 × 107 0.6 x 107 0.2 × 107 Silver Copper Gold Aluminum Brass (70Cu-30Zn) Iron Platinum Plain carbon steel Stainless steel

1. A copper wire 100 m long must experience a voltage drop of less than 1.5 V when a current of 2.5 A passes through it. Using the data in the Table, compute the minimum diameter of the wire. Electrical Conductivity [(N-m)¯'] Metal 6.8 x 10 6.0 x 10 4.3 x 10 3.8 × 107 1.6 x 10 1.0 × 10 0.94 × 107 0.6 x 107 0.2 × 107 Silver Copper Gold Aluminum Brass (70Cu-30Zn) Iron Platinum Plain carbon steel Stainless steel

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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1. A copper wire 100 m long must experience a voltage drop of less than 1.5 V when a current of 2.5 A passes
through it. Using the data in the Table, compute the minimum diameter of the wire.
Electrical Conductivity
[(N-m)¯']
Metal
6.8 x 10"
6.0 x 10
4.3 x 107
3.8 x 107
1.6 x 107
1.0 x 10
0.94 x 107
0.6 x 107
0.2 x 107
Silver
Copper
Gold
Aluminum
Brass (70Cu-30Zn)
Iron
Platinum
Plain carbon steel
Stainless steel

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