PHYS208 Fundamentals of Physics II

Answer for Ch. 27, 5E

GIVEN:
Gauge: 4 6 8 10 12 14 16 18
Diameter (mils) 204 162 129 102 81 64 51 40
Safe Current (A) 70 50 35 25 20 15 6 3
CALCULATED:
Diameter (mm) 5.18 4.11 3.28 2.59 2.1 1.6 1.3 1.0
Area (mm2) 21 13 8.4 5.3 3.3 2.1 1.3 0.8
Current Density (A/mm2 3.3 3.8 4.2 4.8 6.0 7.2 4.6 3.6

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Last updated Nov. 13, 1997.
Copyright George Watson, Univ. of Delaware, 1997.