Solution: An electrical conductor designed to carry large

Chapter 25, Problem 25.51

(choose chapter or problem)

An electrical conductor designed to carry large currents has a circular cross section 2.50 mm in diameter and is 14.0 m long. The resistance between its ends is 0.104 . (a) What is the resistivity of the material? (b) If the electric-field magnitude in the conductor is 1.28 V>m, what is the total current? (c) If the material has 8.5 * 1028 free electrons per cubic meter, find the average drift speed under the conditions of part (b).

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