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Physics, 09.04.2021 07:10 greekfreekisdbz

A metal wire X with length L and radius r has a resistance R. A wire Y of length 4 L made from the same material as X has the same resistance R. What is the radius of Y?

A metal wire X with length L and radius r has a resistance R. A wire Y of length 4 L made from the

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A metal wire X with length L and radius r has a resistance R. A wire Y of length 4 L made from the...

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