Umzuba

Umzuba uyinkundla engokoqobo ezungeza izinhlayiyana ezileleswe ngamazuba futhi esebenzisa amandla kuzo zonke ezinye izinhlayiyana ezileleswayo kuleyonkundla, ngokuziheha noma ngokuzixosha. Browne, p 225: "... around every charge there is an aura that fills all space. This aura is the electric field due to the charge. The electric field is a vector field... and has a magnitude and direction."