An aluminum wire with a diameter of 0.125 mm has a uniform electric field of 0.305 V/m imposed along its entire length. The temperature of the wire is 45.0° C. Assume one free electron per atom.
(a) What is the current density in the wire?
(b) What is the total current in the wire?
Answers: 2
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Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.
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An aluminum wire with a diameter of 0.125 mm has a uniform electric field of 0.305 V/m imposed along...
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