29. Sources of Magnetic Field
Ampere's Law (Calculus)
11:44 minutes
Problem 28.29
Textbook Question
Textbook Question(I) A 2.5-mm-diameter copper wire carries a 28-A dc current (uniform across its cross section). Determine the magnetic field: (a) at the surface of the wire; (b) inside the wire, 0.50 mm below the surface; (c) outside the wire 2.5 mm from the surface.
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