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(15 points) At one time when copper was scarce, houses were wired using aluminum wire even though aluminum's resistivity of 2.65x10 0m is larger than
(15 points) At one time when copper was scarce, houses were wired using aluminum wire even though aluminum's resistivity of 2.65x10 0m is larger than copper's resistivity of 1.68x10 0m. How much of a diameter did the aluminum wire have to be to have the same resistance as a copper wire with a 0.25 cm diameter over a length of 10 meters of wire
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