Answer: If the gauge number of a wire is increased by 6,
Chapter , Problem 30(choose chapter or problem)
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 2116 (see the table in 4). Knowing this, and knowing that 1000 ft of lO-gauge copper wire has a resistance of approximately 1.00 D, estimate the resistance of 25 ft of 22- gauge copper wire.
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