ch29-p027

ch29-p027 - 27 The contribution to Bnet from the first wire...

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27. The contribution to net B G from the first wire is (using Eq. 29-4) 7 6 01 1 1 (4 10 T m/A)(30 A) ˆˆ ˆ k k (3.0 10 T)k. 2 2 (2.0 m) i B r µ ππ π× == = × G The distance from the second wire to the point where we are evaluating net B G is r 2 = 4 m 2 m = 2 m. Thus, 7 6 02 2 2 (4 10 T m/A)(40 A) ˆ
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This note was uploaded on 06/08/2010 for the course PHY 1356 taught by Professor Bonamente during the Spring '10 term at UAA.

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