where, r = 
An iron wire has length 8.0m and a diameter 0.50mm. the sir has a resistance r.
a second...
Physics, 29.10.2019 10:31 speedyblackmann
An iron wire has length 8.0m and a diameter 0.50mm. the sir has a resistance r.
a second iron wire has length 2.0m and diameter 1.0mm
what is the resistance of the second wire?
Answers: 2
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