If the gauge number of a wire is increased by 6, the diameter is halved; if a gauge number is increased by 1, the diameter decreases by the factor 21/6. Knowing this, and knowing that 1000 ft of 7-gauge wire has a resistance of approximately 0.963 Q, calculate the resistance of 19 ft of 23-gauge wire made of the same material. Gauge Diameter, mils Safe current, A 6. 8. 10 12 14 16 18 204 162 129 102 81 64 51 40 70 50 35 25 20 15 6 3

Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
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If the gauge number of a wire is increased by 6, the diameter is halved; if a gauge number is increased by 1, the diameter decreases by
the factor 21/6. Knowing this, and knowing that 1000 ft of 7-gauge wire has a resistance of approximately 0.963 Q, calculate the
resistance of 19 ft of 23-gauge wire made of the same material.
Gauge
Diameter, mils
4.
6.
8.
10 12
14
16 18
204
162
129
102
81
64
51 40
Safe current, A
70
50
35
25
20 15
6.
Transcribed Image Text:If the gauge number of a wire is increased by 6, the diameter is halved; if a gauge number is increased by 1, the diameter decreases by the factor 21/6. Knowing this, and knowing that 1000 ft of 7-gauge wire has a resistance of approximately 0.963 Q, calculate the resistance of 19 ft of 23-gauge wire made of the same material. Gauge Diameter, mils 4. 6. 8. 10 12 14 16 18 204 162 129 102 81 64 51 40 Safe current, A 70 50 35 25 20 15 6.
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