Importance

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Abstract

The invention relates to an electrical device comprising a stack of electrical elements, wherein: a central axis is defined in the stack; each element comprises an electrically insulating carrier; the carrier carries an electrically conductive loop-shaped track; both end zones of the track are located in the edge zone of the carrier; the loop-shaped tracks each form a turn and are arranged around the central axis in the stack; the end zones are connected to each other in electrically conductive manner such that the turns form one winding in at least groupwise manner; the carriers are congruent and each have a form such that they can be rotated from a starting position through an angle a around the central axis to a rotated position in which they take up the same space as in the starting position; adjacent elements with tracks which together form a winding are disposed rotated through an angle a relative to each other, and the mutually registered end zones are mutually connected by an electrical conductor extending transversely of the elements; the free end zones of the tracks of the outermost elements of the stack of elements form the externally accessible terminals of the or each winding; the elements are connected non-releasably to each other, and the stack has a peripheral surface with a form which is prismatic at least in its central zone, i.e. has the same cross-sectional form at any axial position.

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First Claim