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Home Q & A Board Science-Related Homework Help Physics
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RiverTmasco RiverTmasco
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11 years ago
When a voltage of 20.0 V is applied across the two ends of a cylindrical wire of length l, radius r and resistivity ?, an electric current of 1.0 A is measured. Then the same voltage is applied to a second wire with length of 6l, radius of 5r and resistivity of 7?. What is the electric current measured in this second wire?
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smm0309smm0309
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11 years ago
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