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Posted by ronlinux Feb 26, 2020

Electron and charge

To know electricity, we must first explain electrons and charges. 

I'm sorry for suddenly difficult story.

The smallest unit of matter is an atom, which consists of a central nucleus and electrons rotating around it. The protons in the nucleus are positive and the electrons are negative (charged).
This charged substance is 
said to have a charge, and the unit of its size is called Q.