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A 50.0-g sample of a conducting material is all that is available. The resistivity of the material is measured to be 11~ 10-8...Asked by Stephanie
A 51.0 g sample of a conducting material is all that is available. The resistivity of the material is measured to be 12 10-8 · m, and the density is 7.67 g/cm3. The material is to be shaped into a solid cylindrical wire that has a total resistance of 1.5 .
What length of wire is required?
What must be the diameter of the wire?
What length of wire is required?
What must be the diameter of the wire?
Answers
Answered by
drwls
Is the 12*10^-8 resistivity in units of ohm-cm and the wire resistance in ohms? You have omitted some symbols.
Answered by
Stephanie
The 12*10^-8 is in ohm-m, and the wire resistance is in ohms. I copy pasted the question from "WebAssign" so I guess the symbol for ohms did not transfer over.
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