Aluminum wire has been used to replace copper wire during


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 )

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Physics: Aluminum wire has been used to replace copper wire during
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