EOC_Solution_28_16 - 28.16 Visualize The current density J...

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28.16. Visualize: The current density J in a wire, as given by Equation 28.13, does not depend on the thickness of the wire. Solve: (a) The current in the wire is I J A wire wire wire 2 450,000 A / m m = = ( ) × ( ) [ ] π 1 2 3 2 1 5 10 . = 0.795 A Because current is continuous,
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