A 14-gauge copper wire has a diameter of 1. 628 mm. What magnitude current flows when the drift velocity is 1. 00 mm/s?

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Answershe should not have multiplied the sulfur atoms by the subscript 4

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other