An electrical conductor designed to carry large currentshas a circular cross section 2.50 mm in diameter and is 14.0 m long.The resistance between its ends is 0.104 Ω. (a) What is the resistivityof the material? (b) If the electric-field magnitude in the conductor is1.28 V/m, what is the total current? (c) If the material has 8.5 * 10^28free electrons per cubic meter, find the average drift speed under theconditions of part (b).
An electrical conductor designed to carry large currentshas a circular cross section 2.50 mm in diameter and is 14.0 m long.The resistance between its ends is 0.104 Ω. (a) What is the resistivityof the material? (b) If the electric-field magnitude in the conductor is1.28 V/m, what is the total current? (c) If the material has 8.5 * 10^28free electrons per cubic meter, find the average drift speed under theconditions of part (b).
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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 Ω. (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 * 10^28
free electrons per cubic meter, find the average drift speed under the
conditions of part (b).
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