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QUESTION
An iron wire has length 8 m and diameter 0.50 mm. The wire has resistance R. A second wire gas length 2 m and diameter 1mm. What is the resistance of the second wire
An iron wire has length 8 m and diameter 0.50 mm. The wire has resistance R. A second wire gas length 2 m and diameter 1mm. What is the resistance of the second wire
