Hall effect: When a thin semi-conductor chip (usually silicon) carrying current is crossed at right angles by a magnetic field, a potential difference is produced at the edges of the chip. Related posts: Personnel Management Operative Functions Administrative Role of PM Competency HR Management Role Change Personnel Policies Personnel Procedures Appealed Policies Implied Policies Specific Policies Personnel records Research Pure research Personnel research Attitude or Opinion Survey Turnover Secondary research Applied research Personnel audit Read more articles Previous PostGudgeon pin Next PostHall effect switch