Electrons create a current of electricity when
they move. To understand an electric current
one needs to understand the basics of an electron.
An electron is an elementary particle that
carries a negative charge. Electrons much of
the time surround the nucleus of an atom. When
electrons are located inside a conductor,
particularly metals, they can move relatively
freely inside the metal. Identical charges repel
each other and opposite charges attract.
Electrons are negatively charged and move
toward positive charges. When one side of the
metal is more positively charged than the other
side the electrons will move in that direction.
The motion of the electrons creates an electric
current. Below is a sketch showing the basic
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