42. The solenoid contains N = 800 turns. When the current strength I = 1 A magnetic flux F = 0.1 DHS. Determine the energy W of the magnetic field of the solenoid. The core is made of a nonmagnetic material. The magnetic field is homogeneous throughout the entire volume.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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