Image 1 of 1
STATIC ELECTRICITY: SPARK FROM DOORKNOB
Imbalance of Opposite Charges On A Surface
When you scuff your shoes on a rug on a dry winter day, your body can charge up to a potential of several thousand volts. Touching a grounded object (doorknob) causes a spark to leap between it and your fingertip.
Copyright:© 2006 Richard Megna - Fundamental Photographs
Search for Keywords: