Solving a problem in physics section 61 point 43 electr

Solving a problem in physics section 61 point 43 electr

43. At a distance l are two parallel lines of endless conductor with equal currents flowing in the same direction. To push them until 3l distance at each centimeter length of wire consumed energy W = 150 nJ. Determine the current strength I in the conductors.

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