A Treatise on Atmospherical Electricity ; Including

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Instead of having a solid iron core as the magnetic core material of the transformer or coil, the magnetic path is “laminated”. For the purpose of calculating the magnetic energy from Eq. (9.27) consider that the integration is carried out in two parts: (1) the region external to the wire, (2) the region of the wire itself. If a current i is sent through the armature in opposition to this emf., the electrical forces do work at the rate iV = 2niv m which is converted into mechanical power and maintains the rotation against an opposing torque.

Pages: 164

Publisher: HardPress Publishing (January 10, 2012)

ISBN: 1290171408

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