What is the electric current measured in this second wire

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When a voltage of 12.0 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 2l, radius of 5r and resistivity of 3?. What is the electric current measured in this second wire?

Reference no: EM13542558

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