Answer: A wire 4.00 m long and 6.00 mm in diameter has a
Chapter , Problem 18(choose chapter or problem)
A wire 4.00 m long and 6.00 mm in diameter has a resistance of 15.0 mD. A potential difference of 23.0 V is applied between the ends. (a) What is the current in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the wire material. (d) Using Table 26-1, identify the material.
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