Recent content by Szecska8

  1. Szecska8

    I Stored magnetic energy of solenoid

    The answer I got on reddit, that helped me understand it. The total energy is given by (1/2μ_0)∫B2dV where the integral is taken over all space. Let us now split the space into a region X which contains the solenoid, and a region Y which is everything else. We can now write the integral as...
  2. Szecska8

    I Stored magnetic energy of solenoid

    Can someone explain to me what the second integral represents and what is A?
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