What is the area in circular mils of a copper wire

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Reference no: EM131203118

a. What is the area in circular mils of a copper wire that has a resistance of 2.5 Ω and is 300 ft long (T = 20°C)?

b. Without working out the numerical solution, determine whether the area of an aluminum wire will be smaller or larger than that of the copper wire. Explain.

c. Repeat (b) for a silver wire.

Reference no: EM131203118

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