Physics 1 Problem Solutions 212

Physics 1 Problem Solutions 212 - 208 Chapt. 27 Currents...

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Unformatted text preview: 208 Chapt. 27 Currents and Resistance a) 0 . 56 W. b) 5 . 6 10 5 W. c) 560 W. d) 11 . 4 W. e) 1 . 14 10 7 W. 027 qmult 10200 2 3 4 mod. math: current from current density fullmult 24. The current density in a very large cylindrical wire, for whatever reason, obeys the expression J = J bracketleftBigg 1 + r r + parenleftbigg r r parenrightbigg 2 bracketrightBigg , where J is the central current, r is the cylindrical radial coordinate in the wire, and r is a radius parameter. The outer radius isradius parameter....
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