일반물리학 2 · Current and Resistance · Problem 2
일반물리학 2 — Current and Resistance: Problem 2
2 A wire 8.00 m long and 6.00 mm in diameter has a resistance of 30.0 m\(\Omega\). 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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