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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asked Mar 24, 2019 96.7k views

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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 has length 2.0 m and diameter 1.0 mm. What is the resistance of the second wire?

Physics
high-school

Sunil Pandey asked

by Sunil Pandey

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R2=16R hope this helps yaaaa

Pallav Jha answered Mar 28, 2019

by Pallav Jha

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