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A unit of magnetic flux density generates a constant amount of electromotive force

Author:

ITO, SHINGO

Category:

Research Papers

Sub-Category:

Mechanics / Electrodynamics

Language:

English

Date Published:

December 5, 2024

File:

/Research Papers-Mechanics / Electrodynamics/Download/10012

Downloads:

Keywords:

electromagnetic induction; magnetic flux density; obtuse triangle coil; integral value

Abstract:

Faraday's law of electromagnetic induction states that variations in the magnetic flux permeating a coil induce an electromotive force (EMF). I have been researching this, thinking that if we know the integral value of the magnetic flux density at the moment of passing through this coil, I can derive the EMF per unit of magnetic flux density. To do this, the electrons in the coil must align uniformly, and the Lorentz force must propel them in the same direction. Examining the center of the bar magnet, reveals that the magnetic field lines are approximately straight and parallel. Thus, it can be deduced that when the coil is positioned in the magnetic field at that location, the electrons will uniformly align from the north pole to south pole, and the Lorentz force will generate EMF in the same direction. Because it is easy to calculate magnetic flux density, a triangular coil with straight segments was used. I calculated the EMF per unit magnetic flux density by varying the orientation of the triangular coil and its distance from the center of the bar magnet, finding that the values remained approximately consistent.