1. the vector sum of all the forces exerted by an electrical or magnetic field (on a unit mass or unit charge or unit magnetic pole) at a given point in the field; [syn: field strength, field intensity]
WordNet (r) 3.0 (2006):
field intensity
n 1: the vector sum of all the forces exerted by an electrical
or magnetic field (on a unit mass or unit charge or unit
magnetic pole) at a given point in the field [syn: field
strength, field intensity]