These charges then remain on the object until they either bleed off to ground or are quickly neutralized by a discharge : e.g. , the familiar phenomenon of a static ` shock ' is caused by the neutralization of charge built up in the body from contact with insulated surfaces .
These charges then remain on the object until they either bleed off to the ground or are quickly neutralized by a discharge : e.g. , the familiar phenomenon of a static ` shock ' is caused by the neutralization of charge built up in the body from contact with non-conductive surfaces .