39. Solenoid whose diameter 4 cm, a magnetic field is rotated by 180 ° for 0.004 seconds. The magnetic field of 4.77 ∙ 105 A / m. Determine the average induction EMF occurring in the solenoid, if it has 50 turns. Take μ = 1.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)