In reply to Harry Veeder's message of Tue, 29 Sep 2009 01:33:25 -0400: Hi, [snip] >> I've shown a roughly square wire loop, with a capacitor in the bottom >> "leg" of the loop, and I've shown arrows next to the wire >> indicating the >> direction of the E field at all points. The capacitor plates are >> labeled "+ plate" and "- plate". Around the capacitor, note that >> the E >> field points the *other* *way* from the field near the wires. > >If the electrons follow the direction of the electric field around the >loop, but the electric field between the plates points in the opposite >direction, how can the current keep flowing? The logic of electric >fields implies the current should cease. [snip] Because there's a pile of them in one place, and that pile gets smaller as the capacitor/battery drains. Once it's empty, the current does indeed stop.
Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html
