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The resistivity of copper is 1.7*10-8 …

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The resistivity of copper is 1.7*10-8 ohm meter (a) what length of copper wire of diameter 0.1mm will have a resistance of 34ohm ?(b)Another copper wire of the same length but of half the diameter as the first is taken.What is the ratio of Its resistance to that of the first wire?

Posted by Sachin Sharma 5 years, 8 months ago

CBSE > Class 10 > Science

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Posted by Pandey Ji 6 months ago

CBSE > Class 10 > Science