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An aluminum wire with a diameter of 0.100 mm has a uniform electric field of 0.200 V/m imposed along its entire length. The temperature of the wire is 50.0°C. Assume one free electron per atom.
(a) Use the information in Table 27.1 and determine the resistivity.
(b) What is the current density in the wire?
(c) What is the total current in the wire?
(d) What is the drift speed of the conduction electrons?
(e) What potential difference must exist between the ends of a 2.00-m length of the wire to produce the stated electric field?
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