Solving a problem in physics section 10 paragraph 45 el

Solving a problem in physics section 10 paragraph 45 el

45. straight horizontal arrangement of wires passing a current I1 = 10 A Under him at a distance R = l, 5 cm is parallel to the aluminum wire through which a current is passed I2 = 1,5 A. To determine what should be the cross-sectional area of aluminum wire that he was kept loose. The density of aluminum 2.7 g / cm3.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)