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Physics, 19.10.2019 05:10 wolverine123

Wires diameters are usually specified by a number called the gauge. the smaller gauge wire has a larger diameter. for example, a 22 gauge wire has a diameter of 0.65 mm while a 12 gauge wire has a diameter of 2.05 mm. it is believe that the gauge number originally referred to how many times the wire is passes through a draw plate. the wire becomes thinner each time it goes through the plate. you have some long wires of different gauges and lengths. some of the wires are made of copper while others are made of aluminum. which wire has the smallest resistance?

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