Physics
Physics, 27.07.2019 23:30, gungamer720

An iron wire has length 8.0 m and diameter 0.50 mm. the wire has resistance r. a second iron wire has length 2.0 m and diameter 1.0 mm. what is the resistance of the second wire?

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An iron wire has length 8.0 m and diameter 0.50 mm. the wire has resistance r. a second iron wire ha...

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