The length and diameter of an aluminum wire is twice the length and diameter of a copper wire, respectively. Find the ratio of the resistances of the two wires.
The length and diameter of an aluminum wire is twice the length and diameter of a copper wire, respectively. Find the ratio of the resistances of the two wires.
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 89CP: Consider a resistor made from a hollow cylinder of carbon as shown below. The inner radius of the...
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