which of the following is true of an electric charge?
a). positive charge means deficit of electrons.
b). negative charges means excess of electrons.
c). electric current means movement of electrons
d). all of the above.
e). a and b only?
a). positive charge means deficit of electrons.
b). negative charges means excess of electrons.
c). electric current means movement of electrons
d). all of the above.
e). a and b only?