I will let these applications speak for themselves and what the Hall effect is. [...]0/search?proxystylesheet=http%3A%2F%2Fwww .[...]%2Fsites%2Fxslt%[...]&site=wwwhony &client=wwwhony&output=xml_no_dtd&filter=p&restrict=&q=hall +effect&x=0&y=0 Login to read more.