4 ms·
We say that a macroscopic body is “electrically charged” when there is an excess (or a lack) of electrons in it - which merely creates a disbalance between the
by Koshkin 7y ago
We say that a macroscopic body is “electrically charged” when there is an excess (or a lack) of electrons in it - which merely creates a disbalance between the electrons and the protons. We say that an elementary particle is electrically charged to indicate that there is a nonzero probability of it emitting or absorbing a photon (which leads to creation of the electromagnetic force).