Magnetic polarity and Hall sensor: an experiment proposal for elementary and high school

Abstract

We present na experiment proposal using a prototyping Arduino board andtwo a3144 Hall sensor to study the magnetic polarity of magnetic field sources. Using Hall sensors allow teachers to discuss along with the students this important modern physic’s phenomenon that is anchored on the electric and magnetic Field concepts. It is a simple experimental setup and relatively low cost allowing students to determine the magnetic polarity of magnets and electromagnets. This qualitative experiment is suitable for elementary and high school and can lead to a large concretization about concepts related to magnetism allowing more meaningful learning.

Keywords
Hall effect; magnetic poles; Arduino; experimentation