Seat of Unipolar Induction

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Scientific Paper
Title Seat of Unipolar Induction
Author(s) Francisco J M?ller
Keywords unipolar induction, special circuit, magnetic field, relative motion, Maxwell's flux rule
Published 1987
Journal None
Pages 156-169

Abstract

A modified version of Faraday's unipolar inductor is presented. A special circuit is employed to reveal the portion of the circuit which has the seat of the unipolar induced emf. Historical questions concerning unipolar induction are thereby finally answered here: 1) The magnetic field lines do not rotate when a magnet is rotated. 2) Relative motion of the rotating disk and magnet is not essential to induce an emf. 3) Maxwell's flux rule is not always applicable.