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.

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