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The Nature of Electricity?

Encyclopedia
Field: Industry News
Electrical Engineer
10Year<
China


The Nature of Electricity?


Definition of electricity


The flow of electrons through a conductor due to an electric potential difference.


The fundamental properties of electricity


When a negatively charged object is connected to a positively charged object through a conductor, excess electrons flow from the negative body to the positive body to balance the electron shortage.



Atomic structure


An atom consists of a nucleus with protons and neutrons, surrounded by electrons.


原子示意图.jpeg


Free electron


Loose bonds combine electrons that can move from one atom to another called free electrons.


Conductor


Materials with many free electrons, such as copper and aluminum, are good conductors of electricity


Insulator


Materials with few free electrons, such as glass and mica, are poor conductors of electricity


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