Find the diameter of aluminum wire with same resistance

Reference no: EM13545468

Aluminum wire has been used to replace copper wire during times of high copper prices. if 20 gauge copper wire has a resistance of 33? per kilometer of length, What is the diameter of aluminum wire with same resistance? ( resistivity of aluminum = 2.8 * 10^-8 ohm * m )

Reference no: EM13545468

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