Development of practical tools faraday effects on magnetic materials

Abstract

This research aims to develop practical tools faraday effects that can be used as a medium for learning physics subjects in magnetic materials. The development method used is the Research and Development (R&D) method with the ADDIE model approach. The stages of this research are to Analyze, Design, Development, Implementation, and Evaluation. The tools and materials used are magnetic field sensors, 400 winding solenoids as induction sensors for test materials, Power Supply, 500x magnification USB microscope, CSV as data storage from sensors, Delphi 2007 as a hysteresis curve viewer. Product evaluation in the form of validation was carried out using an instrument in the form of a questionnaire filled by media experts with an average score of 93.94% so that it was in the excellent category and material experts with an average score of 86.05% so that it was in the very good category. The expected results of this study are. The results of the assessment of the effectiveness of the Faraday effect practicum tool, an N-gain of 0.67 was obtained that the average pretest was 48.0 and posttest 83.0. Based on the data above, this research shows that the development of the Faraday effect practicum tool is suitable for use as a learning medium.