The resistance y in ohms of 1000 feet of solid copper wire at 77F can be approximated
Question:
The resistance y in ohms of 1000 feet of solid copper wire at 77°F can be approximated by the model
where x is the diameter of the wire in mils (0.001 in.). Use a graphing utility to graph the model. By about what factor is the resistance changed when the diameter of the wire is doubled?
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y 400 0 10770 x 037 100 If th...View the full answer
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