RESISTORS
How do they REALLY work?
[NOTES FOR UNWRITTEN ARTICLE]
©2011 W. Beaty

How batteries REALLY work
How diodes REALLY work
How inductors REALLY work
How capacitors REALLY work


Electrons falling down potential hill, balls rolling down slope

Energy flow: EM waves move inwards like a contracting onion

Bicycle-wheel model: rubbing thumb gets hot

Water model:  animation of two tanks, narrow channel

Water model: animation of wide wires, narrow filament

Water model: piston with huge pipe, piston with narrow capillary



Does voltage cause current?  The current-centric misconception